Home / 3,072,117.80-4,608,176.70-1,890,831.40

Finding the Fourth Proportional to 3,072,117.80, 4,608,176.70 and 1,890,831.40

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Solution

The fourth proportional to 3,072,117.80, 4,608,176.70 and 1,890,831.40 is: 2,836,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,117.80 : 4,608,176.70 = 1,890,831.40 : x
  2. Step 2: Convert to fraction form
    3,072,117.80/4,608,176.70 = 1,890,831.40/x
  3. Step 3: Cross multiply
    3,072,117.80x = 4,608,176.70 × 1,890,831.40
  4. Step 4: Simplify right side
    3,072,117.80x = 8,713,285,201,108.38
  5. Step 5: Solve for x
    x = 8,713,285,201,108.38/3,072,117.80
  6. Step 6: Final answer
    x = 2,836,247.10

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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.