Home / 2,187,390.40-3,281,085.60-2,103,409.60

Finding the Fourth Proportional to 2,187,390.40, 3,281,085.60 and 2,103,409.60

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Solution

The fourth proportional to 2,187,390.40, 3,281,085.60 and 2,103,409.60 is: 3,155,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,390.40 : 3,281,085.60 = 2,103,409.60 : x
  2. Step 2: Convert to fraction form
    2,187,390.40/3,281,085.60 = 2,103,409.60/x
  3. Step 3: Cross multiply
    2,187,390.40x = 3,281,085.60 × 2,103,409.60
  4. Step 4: Simplify right side
    2,187,390.40x = 6,901,466,949,461.76
  5. Step 5: Solve for x
    x = 6,901,466,949,461.76/2,187,390.40
  6. Step 6: Final answer
    x = 3,155,114.40

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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.