Home / 1,938,898.60-2,909,676.70-676,726.22

Finding the Fourth Proportional to 1,938,898.60, 2,909,676.70 and 676,726.22

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Solution

The fourth proportional to 1,938,898.60, 2,909,676.70 and 676,726.22 is: 1,015,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,898.60 : 2,909,676.70 = 676,726.22 : x
  2. Step 2: Convert to fraction form
    1,938,898.60/2,909,676.70 = 676,726.22/x
  3. Step 3: Cross multiply
    1,938,898.60x = 2,909,676.70 × 676,726.22
  4. Step 4: Simplify right side
    1,938,898.60x = 1,969,054,514,613.07
  5. Step 5: Solve for x
    x = 1,969,054,514,613.07/1,938,898.60
  6. Step 6: Final answer
    x = 1,015,553.12

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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.