Home / 6,459,919.59-9,689,916.30-1,667,281.32

Finding the Fourth Proportional to 6,459,919.59, 9,689,916.30 and 1,667,281.32

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Solution

The fourth proportional to 6,459,919.59, 9,689,916.30 and 1,667,281.32 is: 2,500,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,919.59 : 9,689,916.30 = 1,667,281.32 : x
  2. Step 2: Convert to fraction form
    6,459,919.59/9,689,916.30 = 1,667,281.32/x
  3. Step 3: Cross multiply
    6,459,919.59x = 9,689,916.30 × 1,667,281.32
  4. Step 4: Simplify right side
    6,459,919.59x = 16,155,816,433,101.21
  5. Step 5: Solve for x
    x = 16,155,816,433,101.21/6,459,919.59
  6. Step 6: Final answer
    x = 2,500,931.51

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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.