Home / 2,107,860.57-2,908,849.32-1,140,987.87

Finding the Fourth Proportional to 2,107,860.57, 2,908,849.32 and 1,140,987.87

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Solution

The fourth proportional to 2,107,860.57, 2,908,849.32 and 1,140,987.87 is: 1,574,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,860.57 : 2,908,849.32 = 1,140,987.87 : x
  2. Step 2: Convert to fraction form
    2,107,860.57/2,908,849.32 = 1,140,987.87/x
  3. Step 3: Cross multiply
    2,107,860.57x = 2,908,849.32 × 1,140,987.87
  4. Step 4: Simplify right side
    2,107,860.57x = 3,318,961,789,777.75
  5. Step 5: Solve for x
    x = 3,318,961,789,777.75/2,107,860.57
  6. Step 6: Final answer
    x = 1,574,564.20

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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.