Home / 1,626,032.93-2,243,443.71-981,188.69

Finding the Fourth Proportional to 1,626,032.93, 2,243,443.71 and 981,188.69

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Solution

The fourth proportional to 1,626,032.93, 2,243,443.71 and 981,188.69 is: 1,353,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,032.93 : 2,243,443.71 = 981,188.69 : x
  2. Step 2: Convert to fraction form
    1,626,032.93/2,243,443.71 = 981,188.69/x
  3. Step 3: Cross multiply
    1,626,032.93x = 2,243,443.71 × 981,188.69
  4. Step 4: Simplify right side
    1,626,032.93x = 2,201,241,583,686.42
  5. Step 5: Solve for x
    x = 2,201,241,583,686.42/1,626,032.93
  6. Step 6: Final answer
    x = 1,353,749.70

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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.