Home / 3,479,140.70-5,209,853.70-3,319,708.40

Finding the Fourth Proportional to 3,479,140.70, 5,209,853.70 and 3,319,708.40

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Solution

The fourth proportional to 3,479,140.70, 5,209,853.70 and 3,319,708.40 is: 4,971,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,140.70 : 5,209,853.70 = 3,319,708.40 : x
  2. Step 2: Convert to fraction form
    3,479,140.70/5,209,853.70 = 3,319,708.40/x
  3. Step 3: Cross multiply
    3,479,140.70x = 5,209,853.70 × 3,319,708.40
  4. Step 4: Simplify right side
    3,479,140.70x = 17,295,195,090,661.08
  5. Step 5: Solve for x
    x = 17,295,195,090,661.08/3,479,140.70
  6. Step 6: Final answer
    x = 4,971,111.14

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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.