Home / 1,811,139.80-2,716,709.70-548,803.40

Finding the Fourth Proportional to 1,811,139.80, 2,716,709.70 and 548,803.40

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Solution

The fourth proportional to 1,811,139.80, 2,716,709.70 and 548,803.40 is: 823,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,139.80 : 2,716,709.70 = 548,803.40 : x
  2. Step 2: Convert to fraction form
    1,811,139.80/2,716,709.70 = 548,803.40/x
  3. Step 3: Cross multiply
    1,811,139.80x = 2,716,709.70 × 548,803.40
  4. Step 4: Simplify right side
    1,811,139.80x = 1,490,939,520,172.98
  5. Step 5: Solve for x
    x = 1,490,939,520,172.98/1,811,139.80
  6. Step 6: Final answer
    x = 823,205.10

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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.