Home / 6,140,999.10-9,217,403.55-3,111,785.40

Finding the Fourth Proportional to 6,140,999.10, 9,217,403.55 and 3,111,785.40

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Solution

The fourth proportional to 6,140,999.10, 9,217,403.55 and 3,111,785.40 is: 4,670,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140,999.10 : 9,217,403.55 = 3,111,785.40 : x
  2. Step 2: Convert to fraction form
    6,140,999.10/9,217,403.55 = 3,111,785.40/x
  3. Step 3: Cross multiply
    6,140,999.10x = 9,217,403.55 × 3,111,785.40
  4. Step 4: Simplify right side
    6,140,999.10x = 28,682,581,792,798.17
  5. Step 5: Solve for x
    x = 28,682,581,792,798.17/6,140,999.10
  6. Step 6: Final answer
    x = 4,670,670.25

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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.