Home / 3,487,281.93-5,230,777.10-1,213,320.74

Finding the Fourth Proportional to 3,487,281.93, 5,230,777.10 and 1,213,320.74

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Solution

The fourth proportional to 3,487,281.93, 5,230,777.10 and 1,213,320.74 is: 1,819,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,281.93 : 5,230,777.10 = 1,213,320.74 : x
  2. Step 2: Convert to fraction form
    3,487,281.93/5,230,777.10 = 1,213,320.74/x
  3. Step 3: Cross multiply
    3,487,281.93x = 5,230,777.10 × 1,213,320.74
  4. Step 4: Simplify right side
    3,487,281.93x = 6,346,610,309,526.57
  5. Step 5: Solve for x
    x = 6,346,610,309,526.57/3,487,281.93
  6. Step 6: Final answer
    x = 1,819,930.37

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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.