Home / 4,345,409.20-6,518,081.40-1,312,769.20

Finding the Fourth Proportional to 4,345,409.20, 6,518,081.40 and 1,312,769.20

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Solution

The fourth proportional to 4,345,409.20, 6,518,081.40 and 1,312,769.20 is: 1,969,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,409.20 : 6,518,081.40 = 1,312,769.20 : x
  2. Step 2: Convert to fraction form
    4,345,409.20/6,518,081.40 = 1,312,769.20/x
  3. Step 3: Cross multiply
    4,345,409.20x = 6,518,081.40 × 1,312,769.20
  4. Step 4: Simplify right side
    4,345,409.20x = 8,556,736,505,012.88
  5. Step 5: Solve for x
    x = 8,556,736,505,012.88/4,345,409.20
  6. Step 6: Final answer
    x = 1,969,144.01

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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.