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Finding the Fourth Proportional to 1,680,751, 2,521,148.37 and 558,820

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Solution

The fourth proportional to 1,680,751, 2,521,148.37 and 558,820 is: 838,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,751 : 2,521,148.37 = 558,820 : x
  2. Step 2: Convert to fraction form
    1,680,751/2,521,148.37 = 558,820/x
  3. Step 3: Cross multiply
    1,680,751x = 2,521,148.37 × 558,820
  4. Step 4: Simplify right side
    1,680,751x = 1,408,868,132,123.40
  5. Step 5: Solve for x
    x = 1,408,868,132,123.40/1,680,751
  6. Step 6: Final answer
    x = 838,237.27

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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.