Home / 2,997,111.59-4,136,392.80-1,965,487.49

Finding the Fourth Proportional to 2,997,111.59, 4,136,392.80 and 1,965,487.49

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Solution

The fourth proportional to 2,997,111.59, 4,136,392.80 and 1,965,487.49 is: 2,712,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,111.59 : 4,136,392.80 = 1,965,487.49 : x
  2. Step 2: Convert to fraction form
    2,997,111.59/4,136,392.80 = 1,965,487.49/x
  3. Step 3: Cross multiply
    2,997,111.59x = 4,136,392.80 × 1,965,487.49
  4. Step 4: Simplify right side
    2,997,111.59x = 8,130,028,281,444.11
  5. Step 5: Solve for x
    x = 8,130,028,281,444.11/2,997,111.59
  6. Step 6: Final answer
    x = 2,712,621.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.