Home / 3,119,208.30-4,678,812.45-1,097,764.20

Finding the Fourth Proportional to 3,119,208.30, 4,678,812.45 and 1,097,764.20

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Solution

The fourth proportional to 3,119,208.30, 4,678,812.45 and 1,097,764.20 is: 1,646,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,208.30 : 4,678,812.45 = 1,097,764.20 : x
  2. Step 2: Convert to fraction form
    3,119,208.30/4,678,812.45 = 1,097,764.20/x
  3. Step 3: Cross multiply
    3,119,208.30x = 4,678,812.45 × 1,097,764.20
  4. Step 4: Simplify right side
    3,119,208.30x = 5,136,232,806,124.29
  5. Step 5: Solve for x
    x = 5,136,232,806,124.29/3,119,208.30
  6. Step 6: Final answer
    x = 1,646,646.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.