Home / 2,166,742.76-2,990,068.08-1,199,852.24

Finding the Fourth Proportional to 2,166,742.76, 2,990,068.08 and 1,199,852.24

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Solution

The fourth proportional to 2,166,742.76, 2,990,068.08 and 1,199,852.24 is: 1,655,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,742.76 : 2,990,068.08 = 1,199,852.24 : x
  2. Step 2: Convert to fraction form
    2,166,742.76/2,990,068.08 = 1,199,852.24/x
  3. Step 3: Cross multiply
    2,166,742.76x = 2,990,068.08 × 1,199,852.24
  4. Step 4: Simplify right side
    2,166,742.76x = 3,587,639,883,540.50
  5. Step 5: Solve for x
    x = 3,587,639,883,540.50/2,166,742.76
  6. Step 6: Final answer
    x = 1,655,775.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.