Home / 3,186,554.90-4,397,465.45-1,897,449.62

Finding the Fourth Proportional to 3,186,554.90, 4,397,465.45 and 1,897,449.62

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Solution

The fourth proportional to 3,186,554.90, 4,397,465.45 and 1,897,449.62 is: 2,618,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,554.90 : 4,397,465.45 = 1,897,449.62 : x
  2. Step 2: Convert to fraction form
    3,186,554.90/4,397,465.45 = 1,897,449.62/x
  3. Step 3: Cross multiply
    3,186,554.90x = 4,397,465.45 × 1,897,449.62
  4. Step 4: Simplify right side
    3,186,554.90x = 8,343,969,137,578.38
  5. Step 5: Solve for x
    x = 8,343,969,137,578.38/3,186,554.90
  6. Step 6: Final answer
    x = 2,618,492.20

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1.5x scale

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.