Home / 2,688,081.66-4,030,722.54-1,267,756.38

Finding the Fourth Proportional to 2,688,081.66, 4,030,722.54 and 1,267,756.38

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Solution

The fourth proportional to 2,688,081.66, 4,030,722.54 and 1,267,756.38 is: 1,900,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,081.66 : 4,030,722.54 = 1,267,756.38 : x
  2. Step 2: Convert to fraction form
    2,688,081.66/4,030,722.54 = 1,267,756.38/x
  3. Step 3: Cross multiply
    2,688,081.66x = 4,030,722.54 × 1,267,756.38
  4. Step 4: Simplify right side
    2,688,081.66x = 5,109,974,216,094.81
  5. Step 5: Solve for x
    x = 5,109,974,216,094.81/2,688,081.66
  6. Step 6: Final answer
    x = 1,900,974.32

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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.