Home / 1,477,181.80-2,038,748.70-1,115,014.60

Finding the Fourth Proportional to 1,477,181.80, 2,038,748.70 and 1,115,014.60

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Solution

The fourth proportional to 1,477,181.80, 2,038,748.70 and 1,115,014.60 is: 1,538,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,181.80 : 2,038,748.70 = 1,115,014.60 : x
  2. Step 2: Convert to fraction form
    1,477,181.80/2,038,748.70 = 1,115,014.60/x
  3. Step 3: Cross multiply
    1,477,181.80x = 2,038,748.70 × 1,115,014.60
  4. Step 4: Simplify right side
    1,477,181.80x = 2,273,234,566,231.02
  5. Step 5: Solve for x
    x = 2,273,234,566,231.02/1,477,181.80
  6. Step 6: Final answer
    x = 1,538,899.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.