Home / 1,820,123.90-2,730,185.85-1,731,550.40

Finding the Fourth Proportional to 1,820,123.90, 2,730,185.85 and 1,731,550.40

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Solution

The fourth proportional to 1,820,123.90, 2,730,185.85 and 1,731,550.40 is: 2,597,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,123.90 : 2,730,185.85 = 1,731,550.40 : x
  2. Step 2: Convert to fraction form
    1,820,123.90/2,730,185.85 = 1,731,550.40/x
  3. Step 3: Cross multiply
    1,820,123.90x = 2,730,185.85 × 1,731,550.40
  4. Step 4: Simplify right side
    1,820,123.90x = 4,727,454,400,641.84
  5. Step 5: Solve for x
    x = 4,727,454,400,641.84/1,820,123.90
  6. Step 6: Final answer
    x = 2,597,325.60

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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.