Home / 3,186,555.40-4,397,466.14-1,897,450.12

Finding the Fourth Proportional to 3,186,555.40, 4,397,466.14 and 1,897,450.12

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Solution

The fourth proportional to 3,186,555.40, 4,397,466.14 and 1,897,450.12 is: 2,618,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,555.40 : 4,397,466.14 = 1,897,450.12 : x
  2. Step 2: Convert to fraction form
    3,186,555.40/4,397,466.14 = 1,897,450.12/x
  3. Step 3: Cross multiply
    3,186,555.40x = 4,397,466.14 × 1,897,450.12
  4. Step 4: Simplify right side
    3,186,555.40x = 8,343,972,655,038.94
  5. Step 5: Solve for x
    x = 8,343,972,655,038.94/3,186,555.40
  6. Step 6: Final answer
    x = 2,618,492.89

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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.