Home / 1,863,419.90-2,571,459.90-1,047,658.10

Finding the Fourth Proportional to 1,863,419.90, 2,571,459.90 and 1,047,658.10

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Solution

The fourth proportional to 1,863,419.90, 2,571,459.90 and 1,047,658.10 is: 1,445,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,419.90 : 2,571,459.90 = 1,047,658.10 : x
  2. Step 2: Convert to fraction form
    1,863,419.90/2,571,459.90 = 1,047,658.10/x
  3. Step 3: Cross multiply
    1,863,419.90x = 2,571,459.90 × 1,047,658.10
  4. Step 4: Simplify right side
    1,863,419.90x = 2,694,010,793,060.19
  5. Step 5: Solve for x
    x = 2,694,010,793,060.19/1,863,419.90
  6. Step 6: Final answer
    x = 1,445,734.69

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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.