Home / 1,765,689.40-2,650,244.82-1,669,785.40

Finding the Fourth Proportional to 1,765,689.40, 2,650,244.82 and 1,669,785.40

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Solution

The fourth proportional to 1,765,689.40, 2,650,244.82 and 1,669,785.40 is: 2,506,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,689.40 : 2,650,244.82 = 1,669,785.40 : x
  2. Step 2: Convert to fraction form
    1,765,689.40/2,650,244.82 = 1,669,785.40/x
  3. Step 3: Cross multiply
    1,765,689.40x = 2,650,244.82 × 1,669,785.40
  4. Step 4: Simplify right side
    1,765,689.40x = 4,425,340,106,861.63
  5. Step 5: Solve for x
    x = 4,425,340,106,861.63/1,765,689.40
  6. Step 6: Final answer
    x = 2,506,295.90

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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.