Home / 1,545,535.92-2,130,376.03-1,218,315.67

Finding the Fourth Proportional to 1,545,535.92, 2,130,376.03 and 1,218,315.67

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Solution

The fourth proportional to 1,545,535.92, 2,130,376.03 and 1,218,315.67 is: 1,679,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,535.92 : 2,130,376.03 = 1,218,315.67 : x
  2. Step 2: Convert to fraction form
    1,545,535.92/2,130,376.03 = 1,218,315.67/x
  3. Step 3: Cross multiply
    1,545,535.92x = 2,130,376.03 × 1,218,315.67
  4. Step 4: Simplify right side
    1,545,535.92x = 2,595,470,500,341.39
  5. Step 5: Solve for x
    x = 2,595,470,500,341.39/1,545,535.92
  6. Step 6: Final answer
    x = 1,679,333.66

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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.