Home / 2,828,123.71-4,242,225.06-806,368.41

Finding the Fourth Proportional to 2,828,123.71, 4,242,225.06 and 806,368.41

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Solution

The fourth proportional to 2,828,123.71, 4,242,225.06 and 806,368.41 is: 1,209,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,123.71 : 4,242,225.06 = 806,368.41 : x
  2. Step 2: Convert to fraction form
    2,828,123.71/4,242,225.06 = 806,368.41/x
  3. Step 3: Cross multiply
    2,828,123.71x = 4,242,225.06 × 806,368.41
  4. Step 4: Simplify right side
    2,828,123.71x = 3,420,796,276,494.35
  5. Step 5: Solve for x
    x = 3,420,796,276,494.35/2,828,123.71
  6. Step 6: Final answer
    x = 1,209,563.88

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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.