Home / 1,971,345.34-2,956,572.06-905,362.66

Finding the Fourth Proportional to 1,971,345.34, 2,956,572.06 and 905,362.66

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Solution

The fourth proportional to 1,971,345.34, 2,956,572.06 and 905,362.66 is: 1,357,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,345.34 : 2,956,572.06 = 905,362.66 : x
  2. Step 2: Convert to fraction form
    1,971,345.34/2,956,572.06 = 905,362.66/x
  3. Step 3: Cross multiply
    1,971,345.34x = 2,956,572.06 × 905,362.66
  4. Step 4: Simplify right side
    1,971,345.34x = 2,676,769,944,723.28
  5. Step 5: Solve for x
    x = 2,676,769,944,723.28/1,971,345.34
  6. Step 6: Final answer
    x = 1,357,839.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.