Home / 1,931,812.20-2,897,718.30-669,639.96

Finding the Fourth Proportional to 1,931,812.20, 2,897,718.30 and 669,639.96

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Solution

The fourth proportional to 1,931,812.20, 2,897,718.30 and 669,639.96 is: 1,004,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,812.20 : 2,897,718.30 = 669,639.96 : x
  2. Step 2: Convert to fraction form
    1,931,812.20/2,897,718.30 = 669,639.96/x
  3. Step 3: Cross multiply
    1,931,812.20x = 2,897,718.30 × 669,639.96
  4. Step 4: Simplify right side
    1,931,812.20x = 1,940,427,966,503.27
  5. Step 5: Solve for x
    x = 1,940,427,966,503.27/1,931,812.20
  6. Step 6: Final answer
    x = 1,004,459.94

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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.