Home / 2,986,686.40-4,480,029.60-2,455,245.40

Finding the Fourth Proportional to 2,986,686.40, 4,480,029.60 and 2,455,245.40

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Solution

The fourth proportional to 2,986,686.40, 4,480,029.60 and 2,455,245.40 is: 3,682,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,686.40 : 4,480,029.60 = 2,455,245.40 : x
  2. Step 2: Convert to fraction form
    2,986,686.40/4,480,029.60 = 2,455,245.40/x
  3. Step 3: Cross multiply
    2,986,686.40x = 4,480,029.60 × 2,455,245.40
  4. Step 4: Simplify right side
    2,986,686.40x = 10,999,572,067,263.84
  5. Step 5: Solve for x
    x = 10,999,572,067,263.84/2,986,686.40
  6. Step 6: Final answer
    x = 3,682,868.10

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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.