Home / 1,983,333.38-2,974,999.80-1,309,256.74

Finding the Fourth Proportional to 1,983,333.38, 2,974,999.80 and 1,309,256.74

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Solution

The fourth proportional to 1,983,333.38, 2,974,999.80 and 1,309,256.74 is: 1,963,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,333.38 : 2,974,999.80 = 1,309,256.74 : x
  2. Step 2: Convert to fraction form
    1,983,333.38/2,974,999.80 = 1,309,256.74/x
  3. Step 3: Cross multiply
    1,983,333.38x = 2,974,999.80 × 1,309,256.74
  4. Step 4: Simplify right side
    1,983,333.38x = 3,895,038,532,211.15
  5. Step 5: Solve for x
    x = 3,895,038,532,211.15/1,983,333.38
  6. Step 6: Final answer
    x = 1,963,884.93

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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.