Home / 2,162,220.98-2,983,369.91-1,290,886.08

Finding the Fourth Proportional to 2,162,220.98, 2,983,369.91 and 1,290,886.08

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Solution

The fourth proportional to 2,162,220.98, 2,983,369.91 and 1,290,886.08 is: 1,781,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,220.98 : 2,983,369.91 = 1,290,886.08 : x
  2. Step 2: Convert to fraction form
    2,162,220.98/2,983,369.91 = 1,290,886.08/x
  3. Step 3: Cross multiply
    2,162,220.98x = 2,983,369.91 × 1,290,886.08
  4. Step 4: Simplify right side
    2,162,220.98x = 3,851,190,681,855.42
  5. Step 5: Solve for x
    x = 3,851,190,681,855.42/2,162,220.98
  6. Step 6: Final answer
    x = 1,781,127.24

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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.