Home / 3,811,715.20-5,260,258.29-2,069,457.88

Finding the Fourth Proportional to 3,811,715.20, 5,260,258.29 and 2,069,457.88

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Solution

The fourth proportional to 3,811,715.20, 5,260,258.29 and 2,069,457.88 is: 2,855,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,715.20 : 5,260,258.29 = 2,069,457.88 : x
  2. Step 2: Convert to fraction form
    3,811,715.20/5,260,258.29 = 2,069,457.88/x
  3. Step 3: Cross multiply
    3,811,715.20x = 5,260,258.29 × 2,069,457.88
  4. Step 4: Simplify right side
    3,811,715.20x = 10,885,882,969,075.82
  5. Step 5: Solve for x
    x = 10,885,882,969,075.82/3,811,715.20
  6. Step 6: Final answer
    x = 2,855,901.45

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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.