Home / 5,237,872.85-7,854,518.36-2,642,580.45

Finding the Fourth Proportional to 5,237,872.85, 7,854,518.36 and 2,642,580.45

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Solution

The fourth proportional to 5,237,872.85, 7,854,518.36 and 2,642,580.45 is: 3,962,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,872.85 : 7,854,518.36 = 2,642,580.45 : x
  2. Step 2: Convert to fraction form
    5,237,872.85/7,854,518.36 = 2,642,580.45/x
  3. Step 3: Cross multiply
    5,237,872.85x = 7,854,518.36 × 2,642,580.45
  4. Step 4: Simplify right side
    5,237,872.85x = 20,756,196,662,302.06
  5. Step 5: Solve for x
    x = 20,756,196,662,302.06/5,237,872.85
  6. Step 6: Final answer
    x = 3,962,714.88

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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.