Home / 3,716,900.15-5,129,401.14-2,085,425.49

Finding the Fourth Proportional to 3,716,900.15, 5,129,401.14 and 2,085,425.49

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Solution

The fourth proportional to 3,716,900.15, 5,129,401.14 and 2,085,425.49 is: 2,877,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716,900.15 : 5,129,401.14 = 2,085,425.49 : x
  2. Step 2: Convert to fraction form
    3,716,900.15/5,129,401.14 = 2,085,425.49/x
  3. Step 3: Cross multiply
    3,716,900.15x = 5,129,401.14 × 2,085,425.49
  4. Step 4: Simplify right side
    3,716,900.15x = 10,696,983,885,791.06
  5. Step 5: Solve for x
    x = 10,696,983,885,791.06/3,716,900.15
  6. Step 6: Final answer
    x = 2,877,931.46

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Double scale
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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.