Home / 1,486,133.78-2,050,864.61-841,678.53

Finding the Fourth Proportional to 1,486,133.78, 2,050,864.61 and 841,678.53

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Solution

The fourth proportional to 1,486,133.78, 2,050,864.61 and 841,678.53 is: 1,161,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,133.78 : 2,050,864.61 = 841,678.53 : x
  2. Step 2: Convert to fraction form
    1,486,133.78/2,050,864.61 = 841,678.53/x
  3. Step 3: Cross multiply
    1,486,133.78x = 2,050,864.61 × 841,678.53
  4. Step 4: Simplify right side
    1,486,133.78x = 1,726,168,702,001.57
  5. Step 5: Solve for x
    x = 1,726,168,702,001.57/1,486,133.78
  6. Step 6: Final answer
    x = 1,161,516.37

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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.