Home / 1,983,719.48-2,973,088.76-1,072,865.65

Finding the Fourth Proportional to 1,983,719.48, 2,973,088.76 and 1,072,865.65

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Solution

The fourth proportional to 1,983,719.48, 2,973,088.76 and 1,072,865.65 is: 1,607,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,719.48 : 2,973,088.76 = 1,072,865.65 : x
  2. Step 2: Convert to fraction form
    1,983,719.48/2,973,088.76 = 1,072,865.65/x
  3. Step 3: Cross multiply
    1,983,719.48x = 2,973,088.76 × 1,072,865.65
  4. Step 4: Simplify right side
    1,983,719.48x = 3,189,724,790,139.65
  5. Step 5: Solve for x
    x = 3,189,724,790,139.65/1,983,719.48
  6. Step 6: Final answer
    x = 1,607,951.54

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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.