Home / 1,913,251.23-2,870,230.01-791,407.71

Finding the Fourth Proportional to 1,913,251.23, 2,870,230.01 and 791,407.71

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Solution

The fourth proportional to 1,913,251.23, 2,870,230.01 and 791,407.71 is: 1,187,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,251.23 : 2,870,230.01 = 791,407.71 : x
  2. Step 2: Convert to fraction form
    1,913,251.23/2,870,230.01 = 791,407.71/x
  3. Step 3: Cross multiply
    1,913,251.23x = 2,870,230.01 × 791,407.71
  4. Step 4: Simplify right side
    1,913,251.23x = 2,271,522,155,430.34
  5. Step 5: Solve for x
    x = 2,271,522,155,430.34/1,913,251.23
  6. Step 6: Final answer
    x = 1,187,257.65

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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.