Home / 5,415,009.90-8,119,404.45-1,627,925.10

Finding the Fourth Proportional to 5,415,009.90, 8,119,404.45 and 1,627,925.10

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Solution

The fourth proportional to 5,415,009.90, 8,119,404.45 and 1,627,925.10 is: 2,440,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,009.90 : 8,119,404.45 = 1,627,925.10 : x
  2. Step 2: Convert to fraction form
    5,415,009.90/8,119,404.45 = 1,627,925.10/x
  3. Step 3: Cross multiply
    5,415,009.90x = 8,119,404.45 × 1,627,925.10
  4. Step 4: Simplify right side
    5,415,009.90x = 13,217,782,301,206.70
  5. Step 5: Solve for x
    x = 13,217,782,301,206.70/5,415,009.90
  6. Step 6: Final answer
    x = 2,440,952.56

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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.