Home / 4,678,966.80-7,018,450.20-2,860,257.60

Finding the Fourth Proportional to 4,678,966.80, 7,018,450.20 and 2,860,257.60

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Solution

The fourth proportional to 4,678,966.80, 7,018,450.20 and 2,860,257.60 is: 4,290,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,966.80 : 7,018,450.20 = 2,860,257.60 : x
  2. Step 2: Convert to fraction form
    4,678,966.80/7,018,450.20 = 2,860,257.60/x
  3. Step 3: Cross multiply
    4,678,966.80x = 7,018,450.20 × 2,860,257.60
  4. Step 4: Simplify right side
    4,678,966.80x = 20,074,575,524,771.52
  5. Step 5: Solve for x
    x = 20,074,575,524,771.52/4,678,966.80
  6. Step 6: Final answer
    x = 4,290,386.40

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1.5x scale

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.