Home / 2,688,849.65-4,034,466.03-1,409,152.56

Finding the Fourth Proportional to 2,688,849.65, 4,034,466.03 and 1,409,152.56

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Solution

The fourth proportional to 2,688,849.65, 4,034,466.03 and 1,409,152.56 is: 2,114,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,849.65 : 4,034,466.03 = 1,409,152.56 : x
  2. Step 2: Convert to fraction form
    2,688,849.65/4,034,466.03 = 1,409,152.56/x
  3. Step 3: Cross multiply
    2,688,849.65x = 4,034,466.03 × 1,409,152.56
  4. Step 4: Simplify right side
    2,688,849.65x = 5,685,178,134,407.54
  5. Step 5: Solve for x
    x = 5,685,178,134,407.54/2,688,849.65
  6. Step 6: Final answer
    x = 2,114,353.31

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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.