Home / 1,971,770.24-2,721,169.89-1,112,312.05

Finding the Fourth Proportional to 1,971,770.24, 2,721,169.89 and 1,112,312.05

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Solution

The fourth proportional to 1,971,770.24, 2,721,169.89 and 1,112,312.05 is: 1,535,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,770.24 : 2,721,169.89 = 1,112,312.05 : x
  2. Step 2: Convert to fraction form
    1,971,770.24/2,721,169.89 = 1,112,312.05/x
  3. Step 3: Cross multiply
    1,971,770.24x = 2,721,169.89 × 1,112,312.05
  4. Step 4: Simplify right side
    1,971,770.24x = 3,026,790,051,941.25
  5. Step 5: Solve for x
    x = 3,026,790,051,941.25/1,971,770.24
  6. Step 6: Final answer
    x = 1,535,062.24

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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.