Home / 2,990,945.40-4,486,418.10-1,556,054.70

Finding the Fourth Proportional to 2,990,945.40, 4,486,418.10 and 1,556,054.70

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Solution

The fourth proportional to 2,990,945.40, 4,486,418.10 and 1,556,054.70 is: 2,334,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,945.40 : 4,486,418.10 = 1,556,054.70 : x
  2. Step 2: Convert to fraction form
    2,990,945.40/4,486,418.10 = 1,556,054.70/x
  3. Step 3: Cross multiply
    2,990,945.40x = 4,486,418.10 × 1,556,054.70
  4. Step 4: Simplify right side
    2,990,945.40x = 6,981,111,970,670.07
  5. Step 5: Solve for x
    x = 6,981,111,970,670.07/2,990,945.40
  6. Step 6: Final answer
    x = 2,334,082.05

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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.