Home / 2,807,210.48-4,210,776.60-677,276.72

Finding the Fourth Proportional to 2,807,210.48, 4,210,776.60 and 677,276.72

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Solution

The fourth proportional to 2,807,210.48, 4,210,776.60 and 677,276.72 is: 1,015,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,210.48 : 4,210,776.60 = 677,276.72 : x
  2. Step 2: Convert to fraction form
    2,807,210.48/4,210,776.60 = 677,276.72/x
  3. Step 3: Cross multiply
    2,807,210.48x = 4,210,776.60 × 677,276.72
  4. Step 4: Simplify right side
    2,807,210.48x = 2,851,860,964,300.75
  5. Step 5: Solve for x
    x = 2,851,860,964,300.75/2,807,210.48
  6. Step 6: Final answer
    x = 1,015,905.64

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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.