Home / 5,173,743.16-7,139,839.53-2,968,965.28

Finding the Fourth Proportional to 5,173,743.16, 7,139,839.53 and 2,968,965.28

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Solution

The fourth proportional to 5,173,743.16, 7,139,839.53 and 2,968,965.28 is: 4,097,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,743.16 : 7,139,839.53 = 2,968,965.28 : x
  2. Step 2: Convert to fraction form
    5,173,743.16/7,139,839.53 = 2,968,965.28/x
  3. Step 3: Cross multiply
    5,173,743.16x = 7,139,839.53 × 2,968,965.28
  4. Step 4: Simplify right side
    5,173,743.16x = 21,197,935,669,341.52
  5. Step 5: Solve for x
    x = 21,197,935,669,341.52/5,173,743.16
  6. Step 6: Final answer
    x = 4,097,214.53

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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.