Home / 1,915,295.80-2,872,943.70-1,348,425.40

Finding the Fourth Proportional to 1,915,295.80, 2,872,943.70 and 1,348,425.40

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Solution

The fourth proportional to 1,915,295.80, 2,872,943.70 and 1,348,425.40 is: 2,022,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,295.80 : 2,872,943.70 = 1,348,425.40 : x
  2. Step 2: Convert to fraction form
    1,915,295.80/2,872,943.70 = 1,348,425.40/x
  3. Step 3: Cross multiply
    1,915,295.80x = 2,872,943.70 × 1,348,425.40
  4. Step 4: Simplify right side
    1,915,295.80x = 3,873,950,257,849.98
  5. Step 5: Solve for x
    x = 3,873,950,257,849.98/1,915,295.80
  6. Step 6: Final answer
    x = 2,022,638.10

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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.