Home / 5,137,968.40-7,705,138.20-1,771,392.40

Finding the Fourth Proportional to 5,137,968.40, 7,705,138.20 and 1,771,392.40

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Solution

The fourth proportional to 5,137,968.40, 7,705,138.20 and 1,771,392.40 is: 2,656,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,968.40 : 7,705,138.20 = 1,771,392.40 : x
  2. Step 2: Convert to fraction form
    5,137,968.40/7,705,138.20 = 1,771,392.40/x
  3. Step 3: Cross multiply
    5,137,968.40x = 7,705,138.20 × 1,771,392.40
  4. Step 4: Simplify right side
    5,137,968.40x = 13,648,823,248,429.68
  5. Step 5: Solve for x
    x = 13,648,823,248,429.68/5,137,968.40
  6. Step 6: Final answer
    x = 2,656,463.06

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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.