Home / 2,147,740.10-2,963,854.76-1,180,861.93

Finding the Fourth Proportional to 2,147,740.10, 2,963,854.76 and 1,180,861.93

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Solution

The fourth proportional to 2,147,740.10, 2,963,854.76 and 1,180,861.93 is: 1,629,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,740.10 : 2,963,854.76 = 1,180,861.93 : x
  2. Step 2: Convert to fraction form
    2,147,740.10/2,963,854.76 = 1,180,861.93/x
  3. Step 3: Cross multiply
    2,147,740.10x = 2,963,854.76 × 1,180,861.93
  4. Step 4: Simplify right side
    2,147,740.10x = 3,499,903,252,133.29
  5. Step 5: Solve for x
    x = 3,499,903,252,133.29/2,147,740.10
  6. Step 6: Final answer
    x = 1,629,574.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.