Home / 1,994,134.42-2,990,574.22-645,984.24

Finding the Fourth Proportional to 1,994,134.42, 2,990,574.22 and 645,984.24

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Solution

The fourth proportional to 1,994,134.42, 2,990,574.22 and 645,984.24 is: 968,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,134.42 : 2,990,574.22 = 645,984.24 : x
  2. Step 2: Convert to fraction form
    1,994,134.42/2,990,574.22 = 645,984.24/x
  3. Step 3: Cross multiply
    1,994,134.42x = 2,990,574.22 × 645,984.24
  4. Step 4: Simplify right side
    1,994,134.42x = 1,931,863,814,670.29
  5. Step 5: Solve for x
    x = 1,931,863,814,670.29/1,994,134.42
  6. Step 6: Final answer
    x = 968,773.12

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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.