Home / 5,151,948.90-7,731,466.65-1,786,155.90

Finding the Fourth Proportional to 5,151,948.90, 7,731,466.65 and 1,786,155.90

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Solution

The fourth proportional to 5,151,948.90, 7,731,466.65 and 1,786,155.90 is: 2,680,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,948.90 : 7,731,466.65 = 1,786,155.90 : x
  2. Step 2: Convert to fraction form
    5,151,948.90/7,731,466.65 = 1,786,155.90/x
  3. Step 3: Cross multiply
    5,151,948.90x = 7,731,466.65 × 1,786,155.90
  4. Step 4: Simplify right side
    5,151,948.90x = 13,809,604,772,550.73
  5. Step 5: Solve for x
    x = 13,809,604,772,550.73/5,151,948.90
  6. Step 6: Final answer
    x = 2,680,462.30

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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.