Home / 2,891,320.20-4,336,980.30-1,398,328.20

Finding the Fourth Proportional to 2,891,320.20, 4,336,980.30 and 1,398,328.20

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Solution

The fourth proportional to 2,891,320.20, 4,336,980.30 and 1,398,328.20 is: 2,097,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,320.20 : 4,336,980.30 = 1,398,328.20 : x
  2. Step 2: Convert to fraction form
    2,891,320.20/4,336,980.30 = 1,398,328.20/x
  3. Step 3: Cross multiply
    2,891,320.20x = 4,336,980.30 × 1,398,328.20
  4. Step 4: Simplify right side
    2,891,320.20x = 6,064,521,856,334.46
  5. Step 5: Solve for x
    x = 6,064,521,856,334.46/2,891,320.20
  6. Step 6: Final answer
    x = 2,097,492.30

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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.