Home / 2,000,819.77-3,000,295.45-721,258.71

Finding the Fourth Proportional to 2,000,819.77, 3,000,295.45 and 721,258.71

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Solution

The fourth proportional to 2,000,819.77, 3,000,295.45 and 721,258.71 is: 1,081,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,819.77 : 3,000,295.45 = 721,258.71 : x
  2. Step 2: Convert to fraction form
    2,000,819.77/3,000,295.45 = 721,258.71/x
  3. Step 3: Cross multiply
    2,000,819.77x = 3,000,295.45 × 721,258.71
  4. Step 4: Simplify right side
    2,000,819.77x = 2,163,989,225,885.87
  5. Step 5: Solve for x
    x = 2,163,989,225,885.87/2,000,819.77
  6. Step 6: Final answer
    x = 1,081,551.30

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1.5x scale

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.