Home / 3,187,117.70-4,398,222.75-1,736,812.70

Finding the Fourth Proportional to 3,187,117.70, 4,398,222.75 and 1,736,812.70

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Solution

The fourth proportional to 3,187,117.70, 4,398,222.75 and 1,736,812.70 is: 2,396,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,117.70 : 4,398,222.75 = 1,736,812.70 : x
  2. Step 2: Convert to fraction form
    3,187,117.70/4,398,222.75 = 1,736,812.70/x
  3. Step 3: Cross multiply
    3,187,117.70x = 4,398,222.75 × 1,736,812.70
  4. Step 4: Simplify right side
    3,187,117.70x = 7,638,889,129,628.93
  5. Step 5: Solve for x
    x = 7,638,889,129,628.93/3,187,117.70
  6. Step 6: Final answer
    x = 2,396,801.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.