Home / 5,155,100.40-7,730,682.30-1,559,672.40

Finding the Fourth Proportional to 5,155,100.40, 7,730,682.30 and 1,559,672.40

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Solution

The fourth proportional to 5,155,100.40, 7,730,682.30 and 1,559,672.40 is: 2,338,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,100.40 : 7,730,682.30 = 1,559,672.40 : x
  2. Step 2: Convert to fraction form
    5,155,100.40/7,730,682.30 = 1,559,672.40/x
  3. Step 3: Cross multiply
    5,155,100.40x = 7,730,682.30 × 1,559,672.40
  4. Step 4: Simplify right side
    5,155,100.40x = 12,057,331,816,478.52
  5. Step 5: Solve for x
    x = 12,057,331,816,478.52/5,155,100.40
  6. Step 6: Final answer
    x = 2,338,913.09

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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.