Home / 5,298,829.76-7,311,968.16-3,006,990.42

Finding the Fourth Proportional to 5,298,829.76, 7,311,968.16 and 3,006,990.42

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Solution

The fourth proportional to 5,298,829.76, 7,311,968.16 and 3,006,990.42 is: 4,149,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,829.76 : 7,311,968.16 = 3,006,990.42 : x
  2. Step 2: Convert to fraction form
    5,298,829.76/7,311,968.16 = 3,006,990.42/x
  3. Step 3: Cross multiply
    5,298,829.76x = 7,311,968.16 × 3,006,990.42
  4. Step 4: Simplify right side
    5,298,829.76x = 21,987,018,208,465.03
  5. Step 5: Solve for x
    x = 21,987,018,208,465.03/5,298,829.76
  6. Step 6: Final answer
    x = 4,149,410.19

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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.