Home / 3,312,975.69-4,969,574.37-916,619.72

Finding the Fourth Proportional to 3,312,975.69, 4,969,574.37 and 916,619.72

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Solution

The fourth proportional to 3,312,975.69, 4,969,574.37 and 916,619.72 is: 1,374,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,975.69 : 4,969,574.37 = 916,619.72 : x
  2. Step 2: Convert to fraction form
    3,312,975.69/4,969,574.37 = 916,619.72/x
  3. Step 3: Cross multiply
    3,312,975.69x = 4,969,574.37 × 916,619.72
  4. Step 4: Simplify right side
    3,312,975.69x = 4,555,209,842,700.70
  5. Step 5: Solve for x
    x = 4,555,209,842,700.70/3,312,975.69
  6. Step 6: Final answer
    x = 1,374,960.24

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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.