Home / 1,953,204.40-2,925,659.40-1,621,428.40

Finding the Fourth Proportional to 1,953,204.40, 2,925,659.40 and 1,621,428.40

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Solution

The fourth proportional to 1,953,204.40, 2,925,659.40 and 1,621,428.40 is: 2,428,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,204.40 : 2,925,659.40 = 1,621,428.40 : x
  2. Step 2: Convert to fraction form
    1,953,204.40/2,925,659.40 = 1,621,428.40/x
  3. Step 3: Cross multiply
    1,953,204.40x = 2,925,659.40 × 1,621,428.40
  4. Step 4: Simplify right side
    1,953,204.40x = 4,743,747,239,886.96
  5. Step 5: Solve for x
    x = 4,743,747,239,886.96/1,953,204.40
  6. Step 6: Final answer
    x = 2,428,699.85

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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.