Home / 1,931,437.60-2,897,156.40-809,389.60

Finding the Fourth Proportional to 1,931,437.60, 2,897,156.40 and 809,389.60

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Solution

The fourth proportional to 1,931,437.60, 2,897,156.40 and 809,389.60 is: 1,214,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,437.60 : 2,897,156.40 = 809,389.60 : x
  2. Step 2: Convert to fraction form
    1,931,437.60/2,897,156.40 = 809,389.60/x
  3. Step 3: Cross multiply
    1,931,437.60x = 2,897,156.40 × 809,389.60
  4. Step 4: Simplify right side
    1,931,437.60x = 2,344,928,259,733.44
  5. Step 5: Solve for x
    x = 2,344,928,259,733.44/1,931,437.60
  6. Step 6: Final answer
    x = 1,214,084.40

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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.