Home / 2,979,842.65-4,111,692.33-1,877,102.62

Finding the Fourth Proportional to 2,979,842.65, 4,111,692.33 and 1,877,102.62

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Solution

The fourth proportional to 2,979,842.65, 4,111,692.33 and 1,877,102.62 is: 2,590,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,842.65 : 4,111,692.33 = 1,877,102.62 : x
  2. Step 2: Convert to fraction form
    2,979,842.65/4,111,692.33 = 1,877,102.62/x
  3. Step 3: Cross multiply
    2,979,842.65x = 4,111,692.33 × 1,877,102.62
  4. Step 4: Simplify right side
    2,979,842.65x = 7,718,068,445,276.91
  5. Step 5: Solve for x
    x = 7,718,068,445,276.91/2,979,842.65
  6. Step 6: Final answer
    x = 2,590,092.62

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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.