Home / 2,657,619.10-3,987,063.54-860,504.50

Finding the Fourth Proportional to 2,657,619.10, 3,987,063.54 and 860,504.50

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Solution

The fourth proportional to 2,657,619.10, 3,987,063.54 and 860,504.50 is: 1,290,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,619.10 : 3,987,063.54 = 860,504.50 : x
  2. Step 2: Convert to fraction form
    2,657,619.10/3,987,063.54 = 860,504.50/x
  3. Step 3: Cross multiply
    2,657,619.10x = 3,987,063.54 × 860,504.50
  4. Step 4: Simplify right side
    2,657,619.10x = 3,430,886,117,955.93
  5. Step 5: Solve for x
    x = 3,430,886,117,955.93/2,657,619.10
  6. Step 6: Final answer
    x = 1,290,962.32

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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.