Home / 1,415,065.20-2,122,597.80-1,404,567.60

Finding the Fourth Proportional to 1,415,065.20, 2,122,597.80 and 1,404,567.60

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Solution

The fourth proportional to 1,415,065.20, 2,122,597.80 and 1,404,567.60 is: 2,106,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,065.20 : 2,122,597.80 = 1,404,567.60 : x
  2. Step 2: Convert to fraction form
    1,415,065.20/2,122,597.80 = 1,404,567.60/x
  3. Step 3: Cross multiply
    1,415,065.20x = 2,122,597.80 × 1,404,567.60
  4. Step 4: Simplify right side
    1,415,065.20x = 2,981,332,097,711.28
  5. Step 5: Solve for x
    x = 2,981,332,097,711.28/1,415,065.20
  6. Step 6: Final answer
    x = 2,106,851.40

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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.