Home / 1,971,873-2,721,184.74-1,066,455

Finding the Fourth Proportional to 1,971,873, 2,721,184.74 and 1,066,455

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Solution

The fourth proportional to 1,971,873, 2,721,184.74 and 1,066,455 is: 1,471,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,873 : 2,721,184.74 = 1,066,455 : x
  2. Step 2: Convert to fraction form
    1,971,873/2,721,184.74 = 1,066,455/x
  3. Step 3: Cross multiply
    1,971,873x = 2,721,184.74 × 1,066,455
  4. Step 4: Simplify right side
    1,971,873x = 2,902,021,071,896.70
  5. Step 5: Solve for x
    x = 2,902,021,071,896.70/1,971,873
  6. Step 6: Final answer
    x = 1,471,707.90

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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.