Home / 2,913,906.60-4,370,859.90-1,962,124.20

Finding the Fourth Proportional to 2,913,906.60, 4,370,859.90 and 1,962,124.20

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Solution

The fourth proportional to 2,913,906.60, 4,370,859.90 and 1,962,124.20 is: 2,943,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,906.60 : 4,370,859.90 = 1,962,124.20 : x
  2. Step 2: Convert to fraction form
    2,913,906.60/4,370,859.90 = 1,962,124.20/x
  3. Step 3: Cross multiply
    2,913,906.60x = 4,370,859.90 × 1,962,124.20
  4. Step 4: Simplify right side
    2,913,906.60x = 8,576,169,984,599.58
  5. Step 5: Solve for x
    x = 8,576,169,984,599.58/2,913,906.60
  6. Step 6: Final answer
    x = 2,943,186.30

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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.