Home / 1,971,384.40-2,952,929.40-1,639,608.40

Finding the Fourth Proportional to 1,971,384.40, 2,952,929.40 and 1,639,608.40

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Solution

The fourth proportional to 1,971,384.40, 2,952,929.40 and 1,639,608.40 is: 2,455,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,384.40 : 2,952,929.40 = 1,639,608.40 : x
  2. Step 2: Convert to fraction form
    1,971,384.40/2,952,929.40 = 1,639,608.40/x
  3. Step 3: Cross multiply
    1,971,384.40x = 2,952,929.40 × 1,639,608.40
  4. Step 4: Simplify right side
    1,971,384.40x = 4,841,647,848,846.96
  5. Step 5: Solve for x
    x = 4,841,647,848,846.96/1,971,384.40
  6. Step 6: Final answer
    x = 2,455,963.36

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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.