Home / 2,120,026.50-2,925,636.57-1,215,133.38

Finding the Fourth Proportional to 2,120,026.50, 2,925,636.57 and 1,215,133.38

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Solution

The fourth proportional to 2,120,026.50, 2,925,636.57 and 1,215,133.38 is: 1,676,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,026.50 : 2,925,636.57 = 1,215,133.38 : x
  2. Step 2: Convert to fraction form
    2,120,026.50/2,925,636.57 = 1,215,133.38/x
  3. Step 3: Cross multiply
    2,120,026.50x = 2,925,636.57 × 1,215,133.38
  4. Step 4: Simplify right side
    2,120,026.50x = 3,555,038,653,955.71
  5. Step 5: Solve for x
    x = 3,555,038,653,955.71/2,120,026.50
  6. Step 6: Final answer
    x = 1,676,884.06

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1.5x scale

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.