Home / 1,984,931.85-2,977,397.78-1,801,879.95

Finding the Fourth Proportional to 1,984,931.85, 2,977,397.78 and 1,801,879.95

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Solution

The fourth proportional to 1,984,931.85, 2,977,397.78 and 1,801,879.95 is: 2,702,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,931.85 : 2,977,397.78 = 1,801,879.95 : x
  2. Step 2: Convert to fraction form
    1,984,931.85/2,977,397.78 = 1,801,879.95/x
  3. Step 3: Cross multiply
    1,984,931.85x = 2,977,397.78 × 1,801,879.95
  4. Step 4: Simplify right side
    1,984,931.85x = 5,364,913,353,947.11
  5. Step 5: Solve for x
    x = 5,364,913,353,947.11/1,984,931.85
  6. Step 6: Final answer
    x = 2,702,819.93

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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.