Home / 1,938,898.70-2,909,676.89-676,726.32

Finding the Fourth Proportional to 1,938,898.70, 2,909,676.89 and 676,726.32

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Solution

The fourth proportional to 1,938,898.70, 2,909,676.89 and 676,726.32 is: 1,015,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,898.70 : 2,909,676.89 = 676,726.32 : x
  2. Step 2: Convert to fraction form
    1,938,898.70/2,909,676.89 = 676,726.32/x
  3. Step 3: Cross multiply
    1,938,898.70x = 2,909,676.89 × 676,726.32
  4. Step 4: Simplify right side
    1,938,898.70x = 1,969,054,934,158.74
  5. Step 5: Solve for x
    x = 1,969,054,934,158.74/1,938,898.70
  6. Step 6: Final answer
    x = 1,015,553.28

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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.