Home / 2,854,312.40-3,939,133.20-1,885,743.56

Finding the Fourth Proportional to 2,854,312.40, 3,939,133.20 and 1,885,743.56

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Solution

The fourth proportional to 2,854,312.40, 3,939,133.20 and 1,885,743.56 is: 2,602,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,312.40 : 3,939,133.20 = 1,885,743.56 : x
  2. Step 2: Convert to fraction form
    2,854,312.40/3,939,133.20 = 1,885,743.56/x
  3. Step 3: Cross multiply
    2,854,312.40x = 3,939,133.20 × 1,885,743.56
  4. Step 4: Simplify right side
    2,854,312.40x = 7,428,195,063,882.19
  5. Step 5: Solve for x
    x = 7,428,195,063,882.19/2,854,312.40
  6. Step 6: Final answer
    x = 2,602,446.41

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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.