Home / 5,707,188.36-7,875,918-3,128,813.82

Finding the Fourth Proportional to 5,707,188.36, 7,875,918 and 3,128,813.82

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Solution

The fourth proportional to 5,707,188.36, 7,875,918 and 3,128,813.82 is: 4,317,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707,188.36 : 7,875,918 = 3,128,813.82 : x
  2. Step 2: Convert to fraction form
    5,707,188.36/7,875,918 = 3,128,813.82/x
  3. Step 3: Cross multiply
    5,707,188.36x = 7,875,918 × 3,128,813.82
  4. Step 4: Simplify right side
    5,707,188.36x = 24,642,281,083,586.76
  5. Step 5: Solve for x
    x = 24,642,281,083,586.76/5,707,188.36
  6. Step 6: Final answer
    x = 4,317,762.01

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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.