Home / 1,820,361.47-2,512,159.16-993,480.30

Finding the Fourth Proportional to 1,820,361.47, 2,512,159.16 and 993,480.30

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Solution

The fourth proportional to 1,820,361.47, 2,512,159.16 and 993,480.30 is: 1,371,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,361.47 : 2,512,159.16 = 993,480.30 : x
  2. Step 2: Convert to fraction form
    1,820,361.47/2,512,159.16 = 993,480.30/x
  3. Step 3: Cross multiply
    1,820,361.47x = 2,512,159.16 × 993,480.30
  4. Step 4: Simplify right side
    1,820,361.47x = 2,495,780,643,446.80
  5. Step 5: Solve for x
    x = 2,495,780,643,446.80/1,820,361.47
  6. Step 6: Final answer
    x = 1,371,035.75

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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.