Home / 3,956,801.40-5,460,420.60-2,145,965.40

Finding the Fourth Proportional to 3,956,801.40, 5,460,420.60 and 2,145,965.40

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Solution

The fourth proportional to 3,956,801.40, 5,460,420.60 and 2,145,965.40 is: 2,961,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,801.40 : 5,460,420.60 = 2,145,965.40 : x
  2. Step 2: Convert to fraction form
    3,956,801.40/5,460,420.60 = 2,145,965.40/x
  3. Step 3: Cross multiply
    3,956,801.40x = 5,460,420.60 × 2,145,965.40
  4. Step 4: Simplify right side
    3,956,801.40x = 11,717,873,677,047.24
  5. Step 5: Solve for x
    x = 11,717,873,677,047.24/3,956,801.40
  6. Step 6: Final answer
    x = 2,961,451.05

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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.