Home / 2,891,320.80-4,336,981.20-1,822,898.40

Finding the Fourth Proportional to 2,891,320.80, 4,336,981.20 and 1,822,898.40

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Solution

The fourth proportional to 2,891,320.80, 4,336,981.20 and 1,822,898.40 is: 2,734,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,320.80 : 4,336,981.20 = 1,822,898.40 : x
  2. Step 2: Convert to fraction form
    2,891,320.80/4,336,981.20 = 1,822,898.40/x
  3. Step 3: Cross multiply
    2,891,320.80x = 4,336,981.20 × 1,822,898.40
  4. Step 4: Simplify right side
    2,891,320.80x = 7,905,876,090,310.08
  5. Step 5: Solve for x
    x = 7,905,876,090,310.08/2,891,320.80
  6. Step 6: Final answer
    x = 2,734,347.60

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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.