Home / 4,621,020.30-6,931,993.65-1,587,986.70

Finding the Fourth Proportional to 4,621,020.30, 6,931,993.65 and 1,587,986.70

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Solution

The fourth proportional to 4,621,020.30, 6,931,993.65 and 1,587,986.70 is: 2,382,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621,020.30 : 6,931,993.65 = 1,587,986.70 : x
  2. Step 2: Convert to fraction form
    4,621,020.30/6,931,993.65 = 1,587,986.70/x
  3. Step 3: Cross multiply
    4,621,020.30x = 6,931,993.65 × 1,587,986.70
  4. Step 4: Simplify right side
    4,621,020.30x = 11,007,913,720,684.46
  5. Step 5: Solve for x
    x = 11,007,913,720,684.46/4,621,020.30
  6. Step 6: Final answer
    x = 2,382,139.23

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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.