Home / 5,139,754.74-7,704,206.84-1,724,803.46

Finding the Fourth Proportional to 5,139,754.74, 7,704,206.84 and 1,724,803.46

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Solution

The fourth proportional to 5,139,754.74, 7,704,206.84 and 1,724,803.46 is: 2,585,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,754.74 : 7,704,206.84 = 1,724,803.46 : x
  2. Step 2: Convert to fraction form
    5,139,754.74/7,704,206.84 = 1,724,803.46/x
  3. Step 3: Cross multiply
    5,139,754.74x = 7,704,206.84 × 1,724,803.46
  4. Step 4: Simplify right side
    5,139,754.74x = 13,288,242,614,187.67
  5. Step 5: Solve for x
    x = 13,288,242,614,187.67/5,139,754.74
  6. Step 6: Final answer
    x = 2,585,384.57

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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.