Home / 1,971,870.13-2,721,180.78-1,066,452.13

Finding the Fourth Proportional to 1,971,870.13, 2,721,180.78 and 1,066,452.13

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Solution

The fourth proportional to 1,971,870.13, 2,721,180.78 and 1,066,452.13 is: 1,471,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,870.13 : 2,721,180.78 = 1,066,452.13 : x
  2. Step 2: Convert to fraction form
    1,971,870.13/2,721,180.78 = 1,066,452.13/x
  3. Step 3: Cross multiply
    1,971,870.13x = 2,721,180.78 × 1,066,452.13
  4. Step 4: Simplify right side
    1,971,870.13x = 2,902,009,025,340.16
  5. Step 5: Solve for x
    x = 2,902,009,025,340.16/1,971,870.13
  6. Step 6: Final answer
    x = 1,471,703.94

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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.