Home / 2,315,038.40-3,472,557.60-819,281.60

Finding the Fourth Proportional to 2,315,038.40, 3,472,557.60 and 819,281.60

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Solution

The fourth proportional to 2,315,038.40, 3,472,557.60 and 819,281.60 is: 1,228,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,038.40 : 3,472,557.60 = 819,281.60 : x
  2. Step 2: Convert to fraction form
    2,315,038.40/3,472,557.60 = 819,281.60/x
  3. Step 3: Cross multiply
    2,315,038.40x = 3,472,557.60 × 819,281.60
  4. Step 4: Simplify right side
    2,315,038.40x = 2,845,002,546,620.16
  5. Step 5: Solve for x
    x = 2,845,002,546,620.16/2,315,038.40
  6. Step 6: Final answer
    x = 1,228,922.40

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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.