Home / 2,154,003.24-2,972,403.24-1,187,130.48

Finding the Fourth Proportional to 2,154,003.24, 2,972,403.24 and 1,187,130.48

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Solution

The fourth proportional to 2,154,003.24, 2,972,403.24 and 1,187,130.48 is: 1,638,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,003.24 : 2,972,403.24 = 1,187,130.48 : x
  2. Step 2: Convert to fraction form
    2,154,003.24/2,972,403.24 = 1,187,130.48/x
  3. Step 3: Cross multiply
    2,154,003.24x = 2,972,403.24 × 1,187,130.48
  4. Step 4: Simplify right side
    2,154,003.24x = 3,528,630,485,054.76
  5. Step 5: Solve for x
    x = 3,528,630,485,054.76/2,154,003.24
  6. Step 6: Final answer
    x = 1,638,173.25

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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.