Home / 5,117,431.79-7,642,969.28-4,636,699.11

Finding the Fourth Proportional to 5,117,431.79, 7,642,969.28 and 4,636,699.11

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Solution

The fourth proportional to 5,117,431.79, 7,642,969.28 and 4,636,699.11 is: 6,924,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,431.79 : 7,642,969.28 = 4,636,699.11 : x
  2. Step 2: Convert to fraction form
    5,117,431.79/7,642,969.28 = 4,636,699.11/x
  3. Step 3: Cross multiply
    5,117,431.79x = 7,642,969.28 × 4,636,699.11
  4. Step 4: Simplify right side
    5,117,431.79x = 35,438,148,796,935.01
  5. Step 5: Solve for x
    x = 35,438,148,796,935.01/5,117,431.79
  6. Step 6: Final answer
    x = 6,924,987.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.