Home / 4,290,686.40-6,436,029.60-2,268,148.80

Finding the Fourth Proportional to 4,290,686.40, 6,436,029.60 and 2,268,148.80

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Solution

The fourth proportional to 4,290,686.40, 6,436,029.60 and 2,268,148.80 is: 3,402,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,686.40 : 6,436,029.60 = 2,268,148.80 : x
  2. Step 2: Convert to fraction form
    4,290,686.40/6,436,029.60 = 2,268,148.80/x
  3. Step 3: Cross multiply
    4,290,686.40x = 6,436,029.60 × 2,268,148.80
  4. Step 4: Simplify right side
    4,290,686.40x = 14,597,872,814,004.48
  5. Step 5: Solve for x
    x = 14,597,872,814,004.48/4,290,686.40
  6. Step 6: Final answer
    x = 3,402,223.20

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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.