Home / 1,817,747.70-2,507,569.95-1,387,280.49

Finding the Fourth Proportional to 1,817,747.70, 2,507,569.95 and 1,387,280.49

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Solution

The fourth proportional to 1,817,747.70, 2,507,569.95 and 1,387,280.49 is: 1,913,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,747.70 : 2,507,569.95 = 1,387,280.49 : x
  2. Step 2: Convert to fraction form
    1,817,747.70/2,507,569.95 = 1,387,280.49/x
  3. Step 3: Cross multiply
    1,817,747.70x = 2,507,569.95 × 1,387,280.49
  4. Step 4: Simplify right side
    1,817,747.70x = 3,478,702,868,945.28
  5. Step 5: Solve for x
    x = 3,478,702,868,945.28/1,817,747.70
  6. Step 6: Final answer
    x = 1,913,743.51

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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.