Home / 2,767,047.19-4,151,831.91-1,420,155.64

Finding the Fourth Proportional to 2,767,047.19, 4,151,831.91 and 1,420,155.64

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Solution

The fourth proportional to 2,767,047.19, 4,151,831.91 and 1,420,155.64 is: 2,130,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,047.19 : 4,151,831.91 = 1,420,155.64 : x
  2. Step 2: Convert to fraction form
    2,767,047.19/4,151,831.91 = 1,420,155.64/x
  3. Step 3: Cross multiply
    2,767,047.19x = 4,151,831.91 × 1,420,155.64
  4. Step 4: Simplify right side
    2,767,047.19x = 5,896,247,482,559.31
  5. Step 5: Solve for x
    x = 5,896,247,482,559.31/2,767,047.19
  6. Step 6: Final answer
    x = 2,130,880.71

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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.