Home / 4,686,289.21-7,028,055.87-1,990,593.01

Finding the Fourth Proportional to 4,686,289.21, 7,028,055.87 and 1,990,593.01

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Solution

The fourth proportional to 4,686,289.21, 7,028,055.87 and 1,990,593.01 is: 2,985,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686,289.21 : 7,028,055.87 = 1,990,593.01 : x
  2. Step 2: Convert to fraction form
    4,686,289.21/7,028,055.87 = 1,990,593.01/x
  3. Step 3: Cross multiply
    4,686,289.21x = 7,028,055.87 × 1,990,593.01
  4. Step 4: Simplify right side
    4,686,289.21x = 13,989,998,888,711.47
  5. Step 5: Solve for x
    x = 13,989,998,888,711.47/4,686,289.21
  6. Step 6: Final answer
    x = 2,985,304.21

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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.