Home / 1,814,432.16-2,720,122.72-1,213,559.40

Finding the Fourth Proportional to 1,814,432.16, 2,720,122.72 and 1,213,559.40

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Solution

The fourth proportional to 1,814,432.16, 2,720,122.72 and 1,213,559.40 is: 1,819,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,432.16 : 2,720,122.72 = 1,213,559.40 : x
  2. Step 2: Convert to fraction form
    1,814,432.16/2,720,122.72 = 1,213,559.40/x
  3. Step 3: Cross multiply
    1,814,432.16x = 2,720,122.72 × 1,213,559.40
  4. Step 4: Simplify right side
    1,814,432.16x = 3,301,030,496,009.57
  5. Step 5: Solve for x
    x = 3,301,030,496,009.57/1,814,432.16
  6. Step 6: Final answer
    x = 1,819,318.78

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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.