Home / 3,186,010.40-4,772,017.20-1,921,632.80

Finding the Fourth Proportional to 3,186,010.40, 4,772,017.20 and 1,921,632.80

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Solution

The fourth proportional to 3,186,010.40, 4,772,017.20 and 1,921,632.80 is: 2,878,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,010.40 : 4,772,017.20 = 1,921,632.80 : x
  2. Step 2: Convert to fraction form
    3,186,010.40/4,772,017.20 = 1,921,632.80/x
  3. Step 3: Cross multiply
    3,186,010.40x = 4,772,017.20 × 1,921,632.80
  4. Step 4: Simplify right side
    3,186,010.40x = 9,170,064,773,684.16
  5. Step 5: Solve for x
    x = 9,170,064,773,684.16/3,186,010.40
  6. Step 6: Final answer
    x = 2,878,228.14

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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.