Home / 5,065,990.40-6,990,856.78-2,774,111.60

Finding the Fourth Proportional to 5,065,990.40, 6,990,856.78 and 2,774,111.60

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Solution

The fourth proportional to 5,065,990.40, 6,990,856.78 and 2,774,111.60 is: 3,828,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,990.40 : 6,990,856.78 = 2,774,111.60 : x
  2. Step 2: Convert to fraction form
    5,065,990.40/6,990,856.78 = 2,774,111.60/x
  3. Step 3: Cross multiply
    5,065,990.40x = 6,990,856.78 × 2,774,111.60
  4. Step 4: Simplify right side
    5,065,990.40x = 19,393,416,887,336.65
  5. Step 5: Solve for x
    x = 19,393,416,887,336.65/5,065,990.40
  6. Step 6: Final answer
    x = 3,828,159.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.