Home / 3,186,973.12-4,397,911.20-1,791,492.16

Finding the Fourth Proportional to 3,186,973.12, 4,397,911.20 and 1,791,492.16

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Solution

The fourth proportional to 3,186,973.12, 4,397,911.20 and 1,791,492.16 is: 2,472,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,973.12 : 4,397,911.20 = 1,791,492.16 : x
  2. Step 2: Convert to fraction form
    3,186,973.12/4,397,911.20 = 1,791,492.16/x
  3. Step 3: Cross multiply
    3,186,973.12x = 4,397,911.20 × 1,791,492.16
  4. Step 4: Simplify right side
    3,186,973.12x = 7,878,823,435,176.19
  5. Step 5: Solve for x
    x = 7,878,823,435,176.19/3,186,973.12
  6. Step 6: Final answer
    x = 2,472,196.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.