Home / 2,637,763.20-3,956,644.80-1,040,378.40

Finding the Fourth Proportional to 2,637,763.20, 3,956,644.80 and 1,040,378.40

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Solution

The fourth proportional to 2,637,763.20, 3,956,644.80 and 1,040,378.40 is: 1,560,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,763.20 : 3,956,644.80 = 1,040,378.40 : x
  2. Step 2: Convert to fraction form
    2,637,763.20/3,956,644.80 = 1,040,378.40/x
  3. Step 3: Cross multiply
    2,637,763.20x = 3,956,644.80 × 1,040,378.40
  4. Step 4: Simplify right side
    2,637,763.20x = 4,116,407,786,392.32
  5. Step 5: Solve for x
    x = 4,116,407,786,392.32/2,637,763.20
  6. Step 6: Final answer
    x = 1,560,567.60

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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.