Home / 2,860,872.48-4,295,061.36-1,918,461.60

Finding the Fourth Proportional to 2,860,872.48, 4,295,061.36 and 1,918,461.60

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Solution

The fourth proportional to 2,860,872.48, 4,295,061.36 and 1,918,461.60 is: 2,880,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,872.48 : 4,295,061.36 = 1,918,461.60 : x
  2. Step 2: Convert to fraction form
    2,860,872.48/4,295,061.36 = 1,918,461.60/x
  3. Step 3: Cross multiply
    2,860,872.48x = 4,295,061.36 × 1,918,461.60
  4. Step 4: Simplify right side
    2,860,872.48x = 8,239,910,288,803.78
  5. Step 5: Solve for x
    x = 8,239,910,288,803.78/2,860,872.48
  6. Step 6: Final answer
    x = 2,880,208.87

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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.