Home / 1,820,926.54-2,512,878.24-1,005,130.00

Finding the Fourth Proportional to 1,820,926.54, 2,512,878.24 and 1,005,130.00

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Solution

The fourth proportional to 1,820,926.54, 2,512,878.24 and 1,005,130.00 is: 1,387,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,926.54 : 2,512,878.24 = 1,005,130.00 : x
  2. Step 2: Convert to fraction form
    1,820,926.54/2,512,878.24 = 1,005,130.00/x
  3. Step 3: Cross multiply
    1,820,926.54x = 2,512,878.24 × 1,005,130.00
  4. Step 4: Simplify right side
    1,820,926.54x = 2,525,769,312,281.54
  5. Step 5: Solve for x
    x = 2,525,769,312,281.54/1,820,926.54
  6. Step 6: Final answer
    x = 1,387,079.19

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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.