Home / 1,938,262.08-2,907,988.56-992,296.80

Finding the Fourth Proportional to 1,938,262.08, 2,907,988.56 and 992,296.80

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Solution

The fourth proportional to 1,938,262.08, 2,907,988.56 and 992,296.80 is: 1,488,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,262.08 : 2,907,988.56 = 992,296.80 : x
  2. Step 2: Convert to fraction form
    1,938,262.08/2,907,988.56 = 992,296.80/x
  3. Step 3: Cross multiply
    1,938,262.08x = 2,907,988.56 × 992,296.80
  4. Step 4: Simplify right side
    1,938,262.08x = 2,885,587,742,524.61
  5. Step 5: Solve for x
    x = 2,885,587,742,524.61/1,938,262.08
  6. Step 6: Final answer
    x = 1,488,750.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.