Home / 5,137,679.70-7,709,051.70-2,405,411.78

Finding the Fourth Proportional to 5,137,679.70, 7,709,051.70 and 2,405,411.78

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Solution

The fourth proportional to 5,137,679.70, 7,709,051.70 and 2,405,411.78 is: 3,609,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,679.70 : 7,709,051.70 = 2,405,411.78 : x
  2. Step 2: Convert to fraction form
    5,137,679.70/7,709,051.70 = 2,405,411.78/x
  3. Step 3: Cross multiply
    5,137,679.70x = 7,709,051.70 × 2,405,411.78
  4. Step 4: Simplify right side
    5,137,679.70x = 18,543,443,771,809.02
  5. Step 5: Solve for x
    x = 18,543,443,771,809.02/5,137,679.70
  6. Step 6: Final answer
    x = 3,609,303.20

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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.