Home / 5,433,478.83-8,150,497.32-1,390,001.55

Finding the Fourth Proportional to 5,433,478.83, 8,150,497.32 and 1,390,001.55

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Solution

The fourth proportional to 5,433,478.83, 8,150,497.32 and 1,390,001.55 is: 2,085,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,478.83 : 8,150,497.32 = 1,390,001.55 : x
  2. Step 2: Convert to fraction form
    5,433,478.83/8,150,497.32 = 1,390,001.55/x
  3. Step 3: Cross multiply
    5,433,478.83x = 8,150,497.32 × 1,390,001.55
  4. Step 4: Simplify right side
    5,433,478.83x = 11,329,203,908,070.85
  5. Step 5: Solve for x
    x = 11,329,203,908,070.85/5,433,478.83
  6. Step 6: Final answer
    x = 2,085,073.72

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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.