Home / 1,646,389.20-2,467,782.18-847,718.58

Finding the Fourth Proportional to 1,646,389.20, 2,467,782.18 and 847,718.58

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Solution

The fourth proportional to 1,646,389.20, 2,467,782.18 and 847,718.58 is: 1,270,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,389.20 : 2,467,782.18 = 847,718.58 : x
  2. Step 2: Convert to fraction form
    1,646,389.20/2,467,782.18 = 847,718.58/x
  3. Step 3: Cross multiply
    1,646,389.20x = 2,467,782.18 × 847,718.58
  4. Step 4: Simplify right side
    1,646,389.20x = 2,091,984,805,378.90
  5. Step 5: Solve for x
    x = 2,091,984,805,378.90/1,646,389.20
  6. Step 6: Final answer
    x = 1,270,650.22

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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.