Home / 2,992,897.27-4,130,870.97-1,959,805.05

Finding the Fourth Proportional to 2,992,897.27, 4,130,870.97 and 1,959,805.05

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Solution

The fourth proportional to 2,992,897.27, 4,130,870.97 and 1,959,805.05 is: 2,704,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,897.27 : 4,130,870.97 = 1,959,805.05 : x
  2. Step 2: Convert to fraction form
    2,992,897.27/4,130,870.97 = 1,959,805.05/x
  3. Step 3: Cross multiply
    2,992,897.27x = 4,130,870.97 × 1,959,805.05
  4. Step 4: Simplify right side
    2,992,897.27x = 8,095,701,787,904.40
  5. Step 5: Solve for x
    x = 8,095,701,787,904.40/2,992,897.27
  6. Step 6: Final answer
    x = 2,704,971.49

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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.