Home / 1,971,346.34-2,956,573.56-905,363.66

Finding the Fourth Proportional to 1,971,346.34, 2,956,573.56 and 905,363.66

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Solution

The fourth proportional to 1,971,346.34, 2,956,573.56 and 905,363.66 is: 1,357,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,346.34 : 2,956,573.56 = 905,363.66 : x
  2. Step 2: Convert to fraction form
    1,971,346.34/2,956,573.56 = 905,363.66/x
  3. Step 3: Cross multiply
    1,971,346.34x = 2,956,573.56 × 905,363.66
  4. Step 4: Simplify right side
    1,971,346.34x = 2,676,774,259,340.83
  5. Step 5: Solve for x
    x = 2,676,774,259,340.83/1,971,346.34
  6. Step 6: Final answer
    x = 1,357,840.68

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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.