Home / 3,119,005.30-4,678,507.95-1,097,561.20

Finding the Fourth Proportional to 3,119,005.30, 4,678,507.95 and 1,097,561.20

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Solution

The fourth proportional to 3,119,005.30, 4,678,507.95 and 1,097,561.20 is: 1,646,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,005.30 : 4,678,507.95 = 1,097,561.20 : x
  2. Step 2: Convert to fraction form
    3,119,005.30/4,678,507.95 = 1,097,561.20/x
  3. Step 3: Cross multiply
    3,119,005.30x = 4,678,507.95 × 1,097,561.20
  4. Step 4: Simplify right side
    3,119,005.30x = 5,134,948,799,811.54
  5. Step 5: Solve for x
    x = 5,134,948,799,811.54/3,119,005.30
  6. Step 6: Final answer
    x = 1,646,341.80

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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.