Home / 2,947,009.60-4,420,514.40-1,053,812.80

Finding the Fourth Proportional to 2,947,009.60, 4,420,514.40 and 1,053,812.80

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Solution

The fourth proportional to 2,947,009.60, 4,420,514.40 and 1,053,812.80 is: 1,580,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,009.60 : 4,420,514.40 = 1,053,812.80 : x
  2. Step 2: Convert to fraction form
    2,947,009.60/4,420,514.40 = 1,053,812.80/x
  3. Step 3: Cross multiply
    2,947,009.60x = 4,420,514.40 × 1,053,812.80
  4. Step 4: Simplify right side
    2,947,009.60x = 4,658,394,657,304.32
  5. Step 5: Solve for x
    x = 4,658,394,657,304.32/2,947,009.60
  6. Step 6: Final answer
    x = 1,580,719.20

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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.