Home / 1,551,513.66-2,140,197.27-969,727.11

Finding the Fourth Proportional to 1,551,513.66, 2,140,197.27 and 969,727.11

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Solution

The fourth proportional to 1,551,513.66, 2,140,197.27 and 969,727.11 is: 1,337,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,513.66 : 2,140,197.27 = 969,727.11 : x
  2. Step 2: Convert to fraction form
    1,551,513.66/2,140,197.27 = 969,727.11/x
  3. Step 3: Cross multiply
    1,551,513.66x = 2,140,197.27 × 969,727.11
  4. Step 4: Simplify right side
    1,551,513.66x = 2,075,407,313,466.99
  5. Step 5: Solve for x
    x = 2,075,407,313,466.99/1,551,513.66
  6. Step 6: Final answer
    x = 1,337,666.16

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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.