Home / 2,151,198.89-2,968,541.79-1,184,140.30

Finding the Fourth Proportional to 2,151,198.89, 2,968,541.79 and 1,184,140.30

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Solution

The fourth proportional to 2,151,198.89, 2,968,541.79 and 1,184,140.30 is: 1,634,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,198.89 : 2,968,541.79 = 1,184,140.30 : x
  2. Step 2: Convert to fraction form
    2,151,198.89/2,968,541.79 = 1,184,140.30/x
  3. Step 3: Cross multiply
    2,151,198.89x = 2,968,541.79 × 1,184,140.30
  4. Step 4: Simplify right side
    2,151,198.89x = 3,515,169,962,807.67
  5. Step 5: Solve for x
    x = 3,515,169,962,807.67/2,151,198.89
  6. Step 6: Final answer
    x = 1,634,051.58

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1.5x scale

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.