Home / 5,602,878.30-8,385,655.05-4,931,031.90

Finding the Fourth Proportional to 5,602,878.30, 8,385,655.05 and 4,931,031.90

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Solution

The fourth proportional to 5,602,878.30, 8,385,655.05 and 4,931,031.90 is: 7,380,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,878.30 : 8,385,655.05 = 4,931,031.90 : x
  2. Step 2: Convert to fraction form
    5,602,878.30/8,385,655.05 = 4,931,031.90/x
  3. Step 3: Cross multiply
    5,602,878.30x = 8,385,655.05 × 4,931,031.90
  4. Step 4: Simplify right side
    5,602,878.30x = 41,349,932,553,946.09
  5. Step 5: Solve for x
    x = 41,349,932,553,946.09/5,602,878.30
  6. Step 6: Final answer
    x = 7,380,123.28

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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.