Home / 1,681,567.39-2,320,612.02-917,670.16

Finding the Fourth Proportional to 1,681,567.39, 2,320,612.02 and 917,670.16

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Solution

The fourth proportional to 1,681,567.39, 2,320,612.02 and 917,670.16 is: 1,266,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,567.39 : 2,320,612.02 = 917,670.16 : x
  2. Step 2: Convert to fraction form
    1,681,567.39/2,320,612.02 = 917,670.16/x
  3. Step 3: Cross multiply
    1,681,567.39x = 2,320,612.02 × 917,670.16
  4. Step 4: Simplify right side
    1,681,567.39x = 2,129,556,387,499.91
  5. Step 5: Solve for x
    x = 2,129,556,387,499.91/1,681,567.39
  6. Step 6: Final answer
    x = 1,266,411.57

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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.