Home / 1,674,541.06-2,508,642.15-989,378.86

Finding the Fourth Proportional to 1,674,541.06, 2,508,642.15 and 989,378.86

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Solution

The fourth proportional to 1,674,541.06, 2,508,642.15 and 989,378.86 is: 1,482,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,541.06 : 2,508,642.15 = 989,378.86 : x
  2. Step 2: Convert to fraction form
    1,674,541.06/2,508,642.15 = 989,378.86/x
  3. Step 3: Cross multiply
    1,674,541.06x = 2,508,642.15 × 989,378.86
  4. Step 4: Simplify right side
    1,674,541.06x = 2,481,997,510,514.95
  5. Step 5: Solve for x
    x = 2,481,997,510,514.95/1,674,541.06
  6. Step 6: Final answer
    x = 1,482,195.67

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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.