Home / 4,717,931.20-7,066,399.20-3,878,123.20

Finding the Fourth Proportional to 4,717,931.20, 7,066,399.20 and 3,878,123.20

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Solution

The fourth proportional to 4,717,931.20, 7,066,399.20 and 3,878,123.20 is: 5,808,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717,931.20 : 7,066,399.20 = 3,878,123.20 : x
  2. Step 2: Convert to fraction form
    4,717,931.20/7,066,399.20 = 3,878,123.20/x
  3. Step 3: Cross multiply
    4,717,931.20x = 7,066,399.20 × 3,878,123.20
  4. Step 4: Simplify right side
    4,717,931.20x = 27,404,366,677,981.44
  5. Step 5: Solve for x
    x = 27,404,366,677,981.44/4,717,931.20
  6. Step 6: Final answer
    x = 5,808,555.81

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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.