Home / 1,617,338.04-2,231,238.06-1,186,870.20

Finding the Fourth Proportional to 1,617,338.04, 2,231,238.06 and 1,186,870.20

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Solution

The fourth proportional to 1,617,338.04, 2,231,238.06 and 1,186,870.20 is: 1,637,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,338.04 : 2,231,238.06 = 1,186,870.20 : x
  2. Step 2: Convert to fraction form
    1,617,338.04/2,231,238.06 = 1,186,870.20/x
  3. Step 3: Cross multiply
    1,617,338.04x = 2,231,238.06 × 1,186,870.20
  4. Step 4: Simplify right side
    1,617,338.04x = 2,648,189,962,519.81
  5. Step 5: Solve for x
    x = 2,648,189,962,519.81/1,617,338.04
  6. Step 6: Final answer
    x = 1,637,375.67

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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.