Home / 2,982,320.18-4,115,718.35-1,693,280.50

Finding the Fourth Proportional to 2,982,320.18, 4,115,718.35 and 1,693,280.50

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Solution

The fourth proportional to 2,982,320.18, 4,115,718.35 and 1,693,280.50 is: 2,336,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,320.18 : 4,115,718.35 = 1,693,280.50 : x
  2. Step 2: Convert to fraction form
    2,982,320.18/4,115,718.35 = 1,693,280.50/x
  3. Step 3: Cross multiply
    2,982,320.18x = 4,115,718.35 × 1,693,280.50
  4. Step 4: Simplify right side
    2,982,320.18x = 6,969,065,625,547.18
  5. Step 5: Solve for x
    x = 6,969,065,625,547.18/2,982,320.18
  6. Step 6: Final answer
    x = 2,336,793.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.