Home / 3,781,353.60-5,672,030.40-1,256,680.80

Finding the Fourth Proportional to 3,781,353.60, 5,672,030.40 and 1,256,680.80

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Solution

The fourth proportional to 3,781,353.60, 5,672,030.40 and 1,256,680.80 is: 1,885,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,353.60 : 5,672,030.40 = 1,256,680.80 : x
  2. Step 2: Convert to fraction form
    3,781,353.60/5,672,030.40 = 1,256,680.80/x
  3. Step 3: Cross multiply
    3,781,353.60x = 5,672,030.40 × 1,256,680.80
  4. Step 4: Simplify right side
    3,781,353.60x = 7,127,931,700,696.32
  5. Step 5: Solve for x
    x = 7,127,931,700,696.32/3,781,353.60
  6. Step 6: Final answer
    x = 1,885,021.20

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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.