Home / 1,980,922.60-2,971,038.30-718,100.20

Finding the Fourth Proportional to 1,980,922.60, 2,971,038.30 and 718,100.20

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Solution

The fourth proportional to 1,980,922.60, 2,971,038.30 and 718,100.20 is: 1,077,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,922.60 : 2,971,038.30 = 718,100.20 : x
  2. Step 2: Convert to fraction form
    1,980,922.60/2,971,038.30 = 718,100.20/x
  3. Step 3: Cross multiply
    1,980,922.60x = 2,971,038.30 × 718,100.20
  4. Step 4: Simplify right side
    1,980,922.60x = 2,133,503,197,437.66
  5. Step 5: Solve for x
    x = 2,133,503,197,437.66/1,980,922.60
  6. Step 6: Final answer
    x = 1,077,025.02

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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.