Home / 2,142,574.60-3,207,641.10-2,080,366.60

Finding the Fourth Proportional to 2,142,574.60, 3,207,641.10 and 2,080,366.60

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Solution

The fourth proportional to 2,142,574.60, 3,207,641.10 and 2,080,366.60 is: 3,114,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,574.60 : 3,207,641.10 = 2,080,366.60 : x
  2. Step 2: Convert to fraction form
    2,142,574.60/3,207,641.10 = 2,080,366.60/x
  3. Step 3: Cross multiply
    2,142,574.60x = 3,207,641.10 × 2,080,366.60
  4. Step 4: Simplify right side
    2,142,574.60x = 6,673,069,409,227.26
  5. Step 5: Solve for x
    x = 6,673,069,409,227.26/2,142,574.60
  6. Step 6: Final answer
    x = 3,114,509.72

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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.