Home / 1,971,873.90-2,721,185.98-1,066,455.90

Finding the Fourth Proportional to 1,971,873.90, 2,721,185.98 and 1,066,455.90

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Solution

The fourth proportional to 1,971,873.90, 2,721,185.98 and 1,066,455.90 is: 1,471,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,873.90 : 2,721,185.98 = 1,066,455.90 : x
  2. Step 2: Convert to fraction form
    1,971,873.90/2,721,185.98 = 1,066,455.90/x
  3. Step 3: Cross multiply
    1,971,873.90x = 2,721,185.98 × 1,066,455.90
  4. Step 4: Simplify right side
    1,971,873.90x = 2,902,024,843,368.28
  5. Step 5: Solve for x
    x = 2,902,024,843,368.28/1,971,873.90
  6. Step 6: Final answer
    x = 1,471,709.14

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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.