Home / 1,999,642.68-3,000,470.04-802,420.56

Finding the Fourth Proportional to 1,999,642.68, 3,000,470.04 and 802,420.56

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Solution

The fourth proportional to 1,999,642.68, 3,000,470.04 and 802,420.56 is: 1,204,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,642.68 : 3,000,470.04 = 802,420.56 : x
  2. Step 2: Convert to fraction form
    1,999,642.68/3,000,470.04 = 802,420.56/x
  3. Step 3: Cross multiply
    1,999,642.68x = 3,000,470.04 × 802,420.56
  4. Step 4: Simplify right side
    1,999,642.68x = 2,407,638,849,760.02
  5. Step 5: Solve for x
    x = 2,407,638,849,760.02/1,999,642.68
  6. Step 6: Final answer
    x = 1,204,034.54

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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.