Home / 2,249,740.32-3,375,116.80-712,828.20

Finding the Fourth Proportional to 2,249,740.32, 3,375,116.80 and 712,828.20

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Solution

The fourth proportional to 2,249,740.32, 3,375,116.80 and 712,828.20 is: 1,069,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249,740.32 : 3,375,116.80 = 712,828.20 : x
  2. Step 2: Convert to fraction form
    2,249,740.32/3,375,116.80 = 712,828.20/x
  3. Step 3: Cross multiply
    2,249,740.32x = 3,375,116.80 × 712,828.20
  4. Step 4: Simplify right side
    2,249,740.32x = 2,405,878,433,333.76
  5. Step 5: Solve for x
    x = 2,405,878,433,333.76/2,249,740.32
  6. Step 6: Final answer
    x = 1,069,402.73

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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.