Home / 3,774,818.07-5,208,928.74-2,120,835.60

Finding the Fourth Proportional to 3,774,818.07, 5,208,928.74 and 2,120,835.60

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Solution

The fourth proportional to 3,774,818.07, 5,208,928.74 and 2,120,835.60 is: 2,926,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,818.07 : 5,208,928.74 = 2,120,835.60 : x
  2. Step 2: Convert to fraction form
    3,774,818.07/5,208,928.74 = 2,120,835.60/x
  3. Step 3: Cross multiply
    3,774,818.07x = 5,208,928.74 × 2,120,835.60
  4. Step 4: Simplify right side
    3,774,818.07x = 11,047,281,509,655.14
  5. Step 5: Solve for x
    x = 11,047,281,509,655.14/3,774,818.07
  6. Step 6: Final answer
    x = 2,926,573.23

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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.