Home / 2,989,889.42-4,124,612.21-1,956,942.45

Finding the Fourth Proportional to 2,989,889.42, 4,124,612.21 and 1,956,942.45

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Solution

The fourth proportional to 2,989,889.42, 4,124,612.21 and 1,956,942.45 is: 2,699,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,889.42 : 4,124,612.21 = 1,956,942.45 : x
  2. Step 2: Convert to fraction form
    2,989,889.42/4,124,612.21 = 1,956,942.45/x
  3. Step 3: Cross multiply
    2,989,889.42x = 4,124,612.21 × 1,956,942.45
  4. Step 4: Simplify right side
    2,989,889.42x = 8,071,628,713,752.60
  5. Step 5: Solve for x
    x = 8,071,628,713,752.60/2,989,889.42
  6. Step 6: Final answer
    x = 2,699,641.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.