Home / 2,020,588.98-2,788,407.08-1,115,164.50

Finding the Fourth Proportional to 2,020,588.98, 2,788,407.08 and 1,115,164.50

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Solution

The fourth proportional to 2,020,588.98, 2,788,407.08 and 1,115,164.50 is: 1,538,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,588.98 : 2,788,407.08 = 1,115,164.50 : x
  2. Step 2: Convert to fraction form
    2,020,588.98/2,788,407.08 = 1,115,164.50/x
  3. Step 3: Cross multiply
    2,020,588.98x = 2,788,407.08 × 1,115,164.50
  4. Step 4: Simplify right side
    2,020,588.98x = 3,109,532,587,164.66
  5. Step 5: Solve for x
    x = 3,109,532,587,164.66/2,020,588.98
  6. Step 6: Final answer
    x = 1,538,923.86

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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.