Home / 2,778,712.50-4,167,485.46-783,701.94

Finding the Fourth Proportional to 2,778,712.50, 4,167,485.46 and 783,701.94

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Solution

The fourth proportional to 2,778,712.50, 4,167,485.46 and 783,701.94 is: 1,175,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,712.50 : 4,167,485.46 = 783,701.94 : x
  2. Step 2: Convert to fraction form
    2,778,712.50/4,167,485.46 = 783,701.94/x
  3. Step 3: Cross multiply
    2,778,712.50x = 4,167,485.46 × 783,701.94
  4. Step 4: Simplify right side
    2,778,712.50x = 3,266,066,439,923.79
  5. Step 5: Solve for x
    x = 3,266,066,439,923.79/2,778,712.50
  6. Step 6: Final answer
    x = 1,175,388.40

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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.