Home / 1,820,878.98-2,512,813.13-1,005,082.88

Finding the Fourth Proportional to 1,820,878.98, 2,512,813.13 and 1,005,082.88

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Solution

The fourth proportional to 1,820,878.98, 2,512,813.13 and 1,005,082.88 is: 1,387,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,878.98 : 2,512,813.13 = 1,005,082.88 : x
  2. Step 2: Convert to fraction form
    1,820,878.98/2,512,813.13 = 1,005,082.88/x
  3. Step 3: Cross multiply
    1,820,878.98x = 2,512,813.13 × 1,005,082.88
  4. Step 4: Simplify right side
    1,820,878.98x = 2,525,585,457,602.21
  5. Step 5: Solve for x
    x = 2,525,585,457,602.21/1,820,878.98
  6. Step 6: Final answer
    x = 1,387,014.45

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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.