Home / 2,698,781.76-4,038,783.12-1,673,632.80

Finding the Fourth Proportional to 2,698,781.76, 4,038,783.12 and 1,673,632.80

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Solution

The fourth proportional to 2,698,781.76, 4,038,783.12 and 1,673,632.80 is: 2,504,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,781.76 : 4,038,783.12 = 1,673,632.80 : x
  2. Step 2: Convert to fraction form
    2,698,781.76/4,038,783.12 = 1,673,632.80/x
  3. Step 3: Cross multiply
    2,698,781.76x = 4,038,783.12 × 1,673,632.80
  4. Step 4: Simplify right side
    2,698,781.76x = 6,759,439,901,718.34
  5. Step 5: Solve for x
    x = 6,759,439,901,718.34/2,698,781.76
  6. Step 6: Final answer
    x = 2,504,626.35

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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.