Home / 1,821,230.40-2,513,302.14-1,005,434.64

Finding the Fourth Proportional to 1,821,230.40, 2,513,302.14 and 1,005,434.64

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Solution

The fourth proportional to 1,821,230.40, 2,513,302.14 and 1,005,434.64 is: 1,387,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,230.40 : 2,513,302.14 = 1,005,434.64 : x
  2. Step 2: Convert to fraction form
    1,821,230.40/2,513,302.14 = 1,005,434.64/x
  3. Step 3: Cross multiply
    1,821,230.40x = 2,513,302.14 × 1,005,434.64
  4. Step 4: Simplify right side
    1,821,230.40x = 2,526,961,032,342.13
  5. Step 5: Solve for x
    x = 2,526,961,032,342.13/1,821,230.40
  6. Step 6: Final answer
    x = 1,387,502.12

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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.