Home / 1,646,853.60-2,470,280.40-1,081,805.70

Finding the Fourth Proportional to 1,646,853.60, 2,470,280.40 and 1,081,805.70

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Solution

The fourth proportional to 1,646,853.60, 2,470,280.40 and 1,081,805.70 is: 1,622,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,853.60 : 2,470,280.40 = 1,081,805.70 : x
  2. Step 2: Convert to fraction form
    1,646,853.60/2,470,280.40 = 1,081,805.70/x
  3. Step 3: Cross multiply
    1,646,853.60x = 2,470,280.40 × 1,081,805.70
  4. Step 4: Simplify right side
    1,646,853.60x = 2,672,363,417,318.28
  5. Step 5: Solve for x
    x = 2,672,363,417,318.28/1,646,853.60
  6. Step 6: Final answer
    x = 1,622,708.55

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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.