Home / 2,190,444.80-3,286,156.80-770,547.20

Finding the Fourth Proportional to 2,190,444.80, 3,286,156.80 and 770,547.20

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Solution

The fourth proportional to 2,190,444.80, 3,286,156.80 and 770,547.20 is: 1,155,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,444.80 : 3,286,156.80 = 770,547.20 : x
  2. Step 2: Convert to fraction form
    2,190,444.80/3,286,156.80 = 770,547.20/x
  3. Step 3: Cross multiply
    2,190,444.80x = 3,286,156.80 × 770,547.20
  4. Step 4: Simplify right side
    2,190,444.80x = 2,532,138,921,000.96
  5. Step 5: Solve for x
    x = 2,532,138,921,000.96/2,190,444.80
  6. Step 6: Final answer
    x = 1,155,993.03

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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.