Home / 4,579,781.70-6,869,672.55-1,214,328.90

Finding the Fourth Proportional to 4,579,781.70, 6,869,672.55 and 1,214,328.90

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Solution

The fourth proportional to 4,579,781.70, 6,869,672.55 and 1,214,328.90 is: 1,821,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,781.70 : 6,869,672.55 = 1,214,328.90 : x
  2. Step 2: Convert to fraction form
    4,579,781.70/6,869,672.55 = 1,214,328.90/x
  3. Step 3: Cross multiply
    4,579,781.70x = 6,869,672.55 × 1,214,328.90
  4. Step 4: Simplify right side
    4,579,781.70x = 8,342,041,911,001.69
  5. Step 5: Solve for x
    x = 8,342,041,911,001.69/4,579,781.70
  6. Step 6: Final answer
    x = 1,821,493.35

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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.