Home / 2,890,097.51-3,988,333.18-1,728,543.75

Finding the Fourth Proportional to 2,890,097.51, 3,988,333.18 and 1,728,543.75

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Solution

The fourth proportional to 2,890,097.51, 3,988,333.18 and 1,728,543.75 is: 2,385,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,097.51 : 3,988,333.18 = 1,728,543.75 : x
  2. Step 2: Convert to fraction form
    2,890,097.51/3,988,333.18 = 1,728,543.75/x
  3. Step 3: Cross multiply
    2,890,097.51x = 3,988,333.18 × 1,728,543.75
  4. Step 4: Simplify right side
    2,890,097.51x = 6,894,008,393,367.31
  5. Step 5: Solve for x
    x = 6,894,008,393,367.31/2,890,097.51
  6. Step 6: Final answer
    x = 2,385,389.55

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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.