Home / 2,907,908.32-4,014,888.80-1,820,619.40

Finding the Fourth Proportional to 2,907,908.32, 4,014,888.80 and 1,820,619.40

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Solution

The fourth proportional to 2,907,908.32, 4,014,888.80 and 1,820,619.40 is: 2,513,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,908.32 : 4,014,888.80 = 1,820,619.40 : x
  2. Step 2: Convert to fraction form
    2,907,908.32/4,014,888.80 = 1,820,619.40/x
  3. Step 3: Cross multiply
    2,907,908.32x = 4,014,888.80 × 1,820,619.40
  4. Step 4: Simplify right side
    2,907,908.32x = 7,309,584,438,122.72
  5. Step 5: Solve for x
    x = 7,309,584,438,122.72/2,907,908.32
  6. Step 6: Final answer
    x = 2,513,691.50

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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.