Home / 1,989,827.76-2,746,405.50-1,264,534.04

Finding the Fourth Proportional to 1,989,827.76, 2,746,405.50 and 1,264,534.04

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Solution

The fourth proportional to 1,989,827.76, 2,746,405.50 and 1,264,534.04 is: 1,745,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,827.76 : 2,746,405.50 = 1,264,534.04 : x
  2. Step 2: Convert to fraction form
    1,989,827.76/2,746,405.50 = 1,264,534.04/x
  3. Step 3: Cross multiply
    1,989,827.76x = 2,746,405.50 × 1,264,534.04
  4. Step 4: Simplify right side
    1,989,827.76x = 3,472,923,242,393.22
  5. Step 5: Solve for x
    x = 3,472,923,242,393.22/1,989,827.76
  6. Step 6: Final answer
    x = 1,745,338.62

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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.