Home / 2,623,656.56-3,931,339.80-1,980,918.32

Finding the Fourth Proportional to 2,623,656.56, 3,931,339.80 and 1,980,918.32

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Solution

The fourth proportional to 2,623,656.56, 3,931,339.80 and 1,980,918.32 is: 2,968,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623,656.56 : 3,931,339.80 = 1,980,918.32 : x
  2. Step 2: Convert to fraction form
    2,623,656.56/3,931,339.80 = 1,980,918.32/x
  3. Step 3: Cross multiply
    2,623,656.56x = 3,931,339.80 × 1,980,918.32
  4. Step 4: Simplify right side
    2,623,656.56x = 7,787,663,031,965.14
  5. Step 5: Solve for x
    x = 7,787,663,031,965.14/2,623,656.56
  6. Step 6: Final answer
    x = 2,968,247.88

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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.