Home / 2,828,335.85-4,242,542.71-806,579.98

Finding the Fourth Proportional to 2,828,335.85, 4,242,542.71 and 806,579.98

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Solution

The fourth proportional to 2,828,335.85, 4,242,542.71 and 806,579.98 is: 1,209,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,335.85 : 4,242,542.71 = 806,579.98 : x
  2. Step 2: Convert to fraction form
    2,828,335.85/4,242,542.71 = 806,579.98/x
  3. Step 3: Cross multiply
    2,828,335.85x = 4,242,542.71 × 806,579.98
  4. Step 4: Simplify right side
    2,828,335.85x = 3,421,950,005,974.72
  5. Step 5: Solve for x
    x = 3,421,950,005,974.72/2,828,335.85
  6. Step 6: Final answer
    x = 1,209,881.07

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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.