Home / 3,397,681.78-4,688,801.55-1,869,788.92

Finding the Fourth Proportional to 3,397,681.78, 4,688,801.55 and 1,869,788.92

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Solution

The fourth proportional to 3,397,681.78, 4,688,801.55 and 1,869,788.92 is: 2,580,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,681.78 : 4,688,801.55 = 1,869,788.92 : x
  2. Step 2: Convert to fraction form
    3,397,681.78/4,688,801.55 = 1,869,788.92/x
  3. Step 3: Cross multiply
    3,397,681.78x = 4,688,801.55 × 1,869,788.92
  4. Step 4: Simplify right side
    3,397,681.78x = 8,767,069,181,558.53
  5. Step 5: Solve for x
    x = 8,767,069,181,558.53/3,397,681.78
  6. Step 6: Final answer
    x = 2,580,309.09

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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.