Home / 3,116,543.60-4,674,815.40-1,785,753.20

Finding the Fourth Proportional to 3,116,543.60, 4,674,815.40 and 1,785,753.20

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Solution

The fourth proportional to 3,116,543.60, 4,674,815.40 and 1,785,753.20 is: 2,678,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,543.60 : 4,674,815.40 = 1,785,753.20 : x
  2. Step 2: Convert to fraction form
    3,116,543.60/4,674,815.40 = 1,785,753.20/x
  3. Step 3: Cross multiply
    3,116,543.60x = 4,674,815.40 × 1,785,753.20
  4. Step 4: Simplify right side
    3,116,543.60x = 8,348,066,559,959.28
  5. Step 5: Solve for x
    x = 8,348,066,559,959.28/3,116,543.60
  6. Step 6: Final answer
    x = 2,678,629.80

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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.