Home / 2,657,071.20-3,985,606.80-1,058,811.60

Finding the Fourth Proportional to 2,657,071.20, 3,985,606.80 and 1,058,811.60

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Solution

The fourth proportional to 2,657,071.20, 3,985,606.80 and 1,058,811.60 is: 1,588,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,071.20 : 3,985,606.80 = 1,058,811.60 : x
  2. Step 2: Convert to fraction form
    2,657,071.20/3,985,606.80 = 1,058,811.60/x
  3. Step 3: Cross multiply
    2,657,071.20x = 3,985,606.80 × 1,058,811.60
  4. Step 4: Simplify right side
    2,657,071.20x = 4,220,006,712,878.88
  5. Step 5: Solve for x
    x = 4,220,006,712,878.88/2,657,071.20
  6. Step 6: Final answer
    x = 1,588,217.40

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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.