Home / 6,475,371.90-9,713,057.85-1,987,064.70

Finding the Fourth Proportional to 6,475,371.90, 9,713,057.85 and 1,987,064.70

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Solution

The fourth proportional to 6,475,371.90, 9,713,057.85 and 1,987,064.70 is: 2,980,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,371.90 : 9,713,057.85 = 1,987,064.70 : x
  2. Step 2: Convert to fraction form
    6,475,371.90/9,713,057.85 = 1,987,064.70/x
  3. Step 3: Cross multiply
    6,475,371.90x = 9,713,057.85 × 1,987,064.70
  4. Step 4: Simplify right side
    6,475,371.90x = 19,300,474,382,792.89
  5. Step 5: Solve for x
    x = 19,300,474,382,792.89/6,475,371.90
  6. Step 6: Final answer
    x = 2,980,597.05

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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.