Home / 6,456,980.77-9,686,028.74-1,664,629.54

Finding the Fourth Proportional to 6,456,980.77, 9,686,028.74 and 1,664,629.54

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Solution

The fourth proportional to 6,456,980.77, 9,686,028.74 and 1,664,629.54 is: 2,497,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,980.77 : 9,686,028.74 = 1,664,629.54 : x
  2. Step 2: Convert to fraction form
    6,456,980.77/9,686,028.74 = 1,664,629.54/x
  3. Step 3: Cross multiply
    6,456,980.77x = 9,686,028.74 × 1,664,629.54
  4. Step 4: Simplify right side
    6,456,980.77x = 16,123,649,533,354.76
  5. Step 5: Solve for x
    x = 16,123,649,533,354.76/6,456,980.77
  6. Step 6: Final answer
    x = 2,497,088.05

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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.