Home / 3,615,731.42-4,989,785.57-1,984,124.51

Finding the Fourth Proportional to 3,615,731.42, 4,989,785.57 and 1,984,124.51

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Solution

The fourth proportional to 3,615,731.42, 4,989,785.57 and 1,984,124.51 is: 2,738,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,731.42 : 4,989,785.57 = 1,984,124.51 : x
  2. Step 2: Convert to fraction form
    3,615,731.42/4,989,785.57 = 1,984,124.51/x
  3. Step 3: Cross multiply
    3,615,731.42x = 4,989,785.57 × 1,984,124.51
  4. Step 4: Simplify right side
    3,615,731.42x = 9,900,355,849,081.32
  5. Step 5: Solve for x
    x = 9,900,355,849,081.32/3,615,731.42
  6. Step 6: Final answer
    x = 2,738,133.64

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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.