Home / 2,860,143.12-4,290,210.36-730,227.60

Finding the Fourth Proportional to 2,860,143.12, 4,290,210.36 and 730,227.60

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Solution

The fourth proportional to 2,860,143.12, 4,290,210.36 and 730,227.60 is: 1,095,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,143.12 : 4,290,210.36 = 730,227.60 : x
  2. Step 2: Convert to fraction form
    2,860,143.12/4,290,210.36 = 730,227.60/x
  3. Step 3: Cross multiply
    2,860,143.12x = 4,290,210.36 × 730,227.60
  4. Step 4: Simplify right side
    2,860,143.12x = 3,132,830,014,677.94
  5. Step 5: Solve for x
    x = 3,132,830,014,677.94/2,860,143.12
  6. Step 6: Final answer
    x = 1,095,340.30

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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.