Home / 4,978,055.95-7,467,871.28-1,783,111.39

Finding the Fourth Proportional to 4,978,055.95, 7,467,871.28 and 1,783,111.39

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Solution

The fourth proportional to 4,978,055.95, 7,467,871.28 and 1,783,111.39 is: 2,674,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,055.95 : 7,467,871.28 = 1,783,111.39 : x
  2. Step 2: Convert to fraction form
    4,978,055.95/7,467,871.28 = 1,783,111.39/x
  3. Step 3: Cross multiply
    4,978,055.95x = 7,467,871.28 × 1,783,111.39
  4. Step 4: Simplify right side
    4,978,055.95x = 13,316,046,310,836.64
  5. Step 5: Solve for x
    x = 13,316,046,310,836.64/4,978,055.95
  6. Step 6: Final answer
    x = 2,674,949.11

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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.