Home / 1,878,575.04-2,815,620.57-1,025,861.40

Finding the Fourth Proportional to 1,878,575.04, 2,815,620.57 and 1,025,861.40

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Solution

The fourth proportional to 1,878,575.04, 2,815,620.57 and 1,025,861.40 is: 1,537,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,575.04 : 2,815,620.57 = 1,025,861.40 : x
  2. Step 2: Convert to fraction form
    1,878,575.04/2,815,620.57 = 1,025,861.40/x
  3. Step 3: Cross multiply
    1,878,575.04x = 2,815,620.57 × 1,025,861.40
  4. Step 4: Simplify right side
    1,878,575.04x = 2,888,436,459,809.00
  5. Step 5: Solve for x
    x = 2,888,436,459,809.00/1,878,575.04
  6. Step 6: Final answer
    x = 1,537,567.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.