Home / 1,821,130.34-2,513,146.01-1,005,334.92

Finding the Fourth Proportional to 1,821,130.34, 2,513,146.01 and 1,005,334.92

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Solution

The fourth proportional to 1,821,130.34, 2,513,146.01 and 1,005,334.92 is: 1,387,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,130.34 : 2,513,146.01 = 1,005,334.92 : x
  2. Step 2: Convert to fraction form
    1,821,130.34/2,513,146.01 = 1,005,334.92/x
  3. Step 3: Cross multiply
    1,821,130.34x = 2,513,146.01 × 1,005,334.92
  4. Step 4: Simplify right side
    1,821,130.34x = 2,526,553,437,884.99
  5. Step 5: Solve for x
    x = 2,526,553,437,884.99/1,821,130.34
  6. Step 6: Final answer
    x = 1,387,354.54

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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.