Home / 2,298,765.84-3,172,069.80-1,280,265.36

Finding the Fourth Proportional to 2,298,765.84, 3,172,069.80 and 1,280,265.36

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Solution

The fourth proportional to 2,298,765.84, 3,172,069.80 and 1,280,265.36 is: 1,766,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298,765.84 : 3,172,069.80 = 1,280,265.36 : x
  2. Step 2: Convert to fraction form
    2,298,765.84/3,172,069.80 = 1,280,265.36/x
  3. Step 3: Cross multiply
    2,298,765.84x = 3,172,069.80 × 1,280,265.36
  4. Step 4: Simplify right side
    2,298,765.84x = 4,061,091,084,442.13
  5. Step 5: Solve for x
    x = 4,061,091,084,442.13/2,298,765.84
  6. Step 6: Final answer
    x = 1,766,639.74

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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.