Home / 1,821,322.74-2,513,429.11-1,005,528.00

Finding the Fourth Proportional to 1,821,322.74, 2,513,429.11 and 1,005,528.00

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Solution

The fourth proportional to 1,821,322.74, 2,513,429.11 and 1,005,528.00 is: 1,387,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,322.74 : 2,513,429.11 = 1,005,528.00 : x
  2. Step 2: Convert to fraction form
    1,821,322.74/2,513,429.11 = 1,005,528.00/x
  3. Step 3: Cross multiply
    1,821,322.74x = 2,513,429.11 × 1,005,528.00
  4. Step 4: Simplify right side
    1,821,322.74x = 2,527,323,352,561.48
  5. Step 5: Solve for x
    x = 2,527,323,352,561.48/1,821,322.74
  6. Step 6: Final answer
    x = 1,387,630.70

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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.