Home / 4,885,657.08-7,328,988.36-1,690,778.40

Finding the Fourth Proportional to 4,885,657.08, 7,328,988.36 and 1,690,778.40

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Solution

The fourth proportional to 4,885,657.08, 7,328,988.36 and 1,690,778.40 is: 2,536,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,657.08 : 7,328,988.36 = 1,690,778.40 : x
  2. Step 2: Convert to fraction form
    4,885,657.08/7,328,988.36 = 1,690,778.40/x
  3. Step 3: Cross multiply
    4,885,657.08x = 7,328,988.36 × 1,690,778.40
  4. Step 4: Simplify right side
    4,885,657.08x = 12,391,695,212,939.42
  5. Step 5: Solve for x
    x = 12,391,695,212,939.42/4,885,657.08
  6. Step 6: Final answer
    x = 2,536,341.58

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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.