Home / 1,971,868.90-2,721,179.08-1,066,450.90

Finding the Fourth Proportional to 1,971,868.90, 2,721,179.08 and 1,066,450.90

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Solution

The fourth proportional to 1,971,868.90, 2,721,179.08 and 1,066,450.90 is: 1,471,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,868.90 : 2,721,179.08 = 1,066,450.90 : x
  2. Step 2: Convert to fraction form
    1,971,868.90/2,721,179.08 = 1,066,450.90/x
  3. Step 3: Cross multiply
    1,971,868.90x = 2,721,179.08 × 1,066,450.90
  4. Step 4: Simplify right side
    1,971,868.90x = 2,902,003,878,927.17
  5. Step 5: Solve for x
    x = 2,902,003,878,927.17/1,971,868.90
  6. Step 6: Final answer
    x = 1,471,702.24

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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.