Home / 1,818,620.64-2,509,580.48-1,002,829.55

Finding the Fourth Proportional to 1,818,620.64, 2,509,580.48 and 1,002,829.55

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Solution

The fourth proportional to 1,818,620.64, 2,509,580.48 and 1,002,829.55 is: 1,383,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,620.64 : 2,509,580.48 = 1,002,829.55 : x
  2. Step 2: Convert to fraction form
    1,818,620.64/2,509,580.48 = 1,002,829.55/x
  3. Step 3: Cross multiply
    1,818,620.64x = 2,509,580.48 × 1,002,829.55
  4. Step 4: Simplify right side
    1,818,620.64x = 2,516,681,445,885.13
  5. Step 5: Solve for x
    x = 2,516,681,445,885.13/1,818,620.64
  6. Step 6: Final answer
    x = 1,383,840.80

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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.