Home / 2,653,007.40-3,975,428.70-1,975,912.20

Finding the Fourth Proportional to 2,653,007.40, 3,975,428.70 and 1,975,912.20

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Solution

The fourth proportional to 2,653,007.40, 3,975,428.70 and 1,975,912.20 is: 2,960,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,007.40 : 3,975,428.70 = 1,975,912.20 : x
  2. Step 2: Convert to fraction form
    2,653,007.40/3,975,428.70 = 1,975,912.20/x
  3. Step 3: Cross multiply
    2,653,007.40x = 3,975,428.70 × 1,975,912.20
  4. Step 4: Simplify right side
    2,653,007.40x = 7,855,098,068,560.14
  5. Step 5: Solve for x
    x = 7,855,098,068,560.14/2,653,007.40
  6. Step 6: Final answer
    x = 2,960,827.80

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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.