Home / 2,129,140.60-3,193,710.90-1,373,313.40

Finding the Fourth Proportional to 2,129,140.60, 3,193,710.90 and 1,373,313.40

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Solution

The fourth proportional to 2,129,140.60, 3,193,710.90 and 1,373,313.40 is: 2,059,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,140.60 : 3,193,710.90 = 1,373,313.40 : x
  2. Step 2: Convert to fraction form
    2,129,140.60/3,193,710.90 = 1,373,313.40/x
  3. Step 3: Cross multiply
    2,129,140.60x = 3,193,710.90 × 1,373,313.40
  4. Step 4: Simplify right side
    2,129,140.60x = 4,385,965,974,696.06
  5. Step 5: Solve for x
    x = 4,385,965,974,696.06/2,129,140.60
  6. Step 6: Final answer
    x = 2,059,970.10

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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.