Home / 2,987,842.30-4,123,541.70-1,826,968.96

Finding the Fourth Proportional to 2,987,842.30, 4,123,541.70 and 1,826,968.96

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Solution

The fourth proportional to 2,987,842.30, 4,123,541.70 and 1,826,968.96 is: 2,521,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,842.30 : 4,123,541.70 = 1,826,968.96 : x
  2. Step 2: Convert to fraction form
    2,987,842.30/4,123,541.70 = 1,826,968.96/x
  3. Step 3: Cross multiply
    2,987,842.30x = 4,123,541.70 × 1,826,968.96
  4. Step 4: Simplify right side
    2,987,842.30x = 7,533,582,691,165.63
  5. Step 5: Solve for x
    x = 7,533,582,691,165.63/2,987,842.30
  6. Step 6: Final answer
    x = 2,521,412.42

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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.