Home / 2,402,479.28-3,315,420.40-1,314,750.80

Finding the Fourth Proportional to 2,402,479.28, 3,315,420.40 and 1,314,750.80

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Solution

The fourth proportional to 2,402,479.28, 3,315,420.40 and 1,314,750.80 is: 1,814,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402,479.28 : 3,315,420.40 = 1,314,750.80 : x
  2. Step 2: Convert to fraction form
    2,402,479.28/3,315,420.40 = 1,314,750.80/x
  3. Step 3: Cross multiply
    2,402,479.28x = 3,315,420.40 × 1,314,750.80
  4. Step 4: Simplify right side
    2,402,479.28x = 4,358,951,623,236.32
  5. Step 5: Solve for x
    x = 4,358,951,623,236.32/2,402,479.28
  6. Step 6: Final answer
    x = 1,814,355.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.