Home / 2,047,831.20-3,073,496.40-912,340.80

Finding the Fourth Proportional to 2,047,831.20, 3,073,496.40 and 912,340.80

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Solution

The fourth proportional to 2,047,831.20, 3,073,496.40 and 912,340.80 is: 1,369,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,831.20 : 3,073,496.40 = 912,340.80 : x
  2. Step 2: Convert to fraction form
    2,047,831.20/3,073,496.40 = 912,340.80/x
  3. Step 3: Cross multiply
    2,047,831.20x = 3,073,496.40 × 912,340.80
  4. Step 4: Simplify right side
    2,047,831.20x = 2,804,076,164,373.12
  5. Step 5: Solve for x
    x = 2,804,076,164,373.12/2,047,831.20
  6. Step 6: Final answer
    x = 1,369,290.67

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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.