Home / 2,511,312.40-3,766,795.80-805,430.80

Finding the Fourth Proportional to 2,511,312.40, 3,766,795.80 and 805,430.80

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Solution

The fourth proportional to 2,511,312.40, 3,766,795.80 and 805,430.80 is: 1,208,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,312.40 : 3,766,795.80 = 805,430.80 : x
  2. Step 2: Convert to fraction form
    2,511,312.40/3,766,795.80 = 805,430.80/x
  3. Step 3: Cross multiply
    2,511,312.40x = 3,766,795.80 × 805,430.80
  4. Step 4: Simplify right side
    2,511,312.40x = 3,033,893,354,630.64
  5. Step 5: Solve for x
    x = 3,033,893,354,630.64/2,511,312.40
  6. Step 6: Final answer
    x = 1,208,090.78

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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.