Home / 5,707,188.86-7,875,918.69-3,128,814.32

Finding the Fourth Proportional to 5,707,188.86, 7,875,918.69 and 3,128,814.32

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Solution

The fourth proportional to 5,707,188.86, 7,875,918.69 and 3,128,814.32 is: 4,317,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707,188.86 : 7,875,918.69 = 3,128,814.32 : x
  2. Step 2: Convert to fraction form
    5,707,188.86/7,875,918.69 = 3,128,814.32/x
  3. Step 3: Cross multiply
    5,707,188.86x = 7,875,918.69 × 3,128,814.32
  4. Step 4: Simplify right side
    5,707,188.86x = 24,642,287,180,427.64
  5. Step 5: Solve for x
    x = 24,642,287,180,427.64/5,707,188.86
  6. Step 6: Final answer
    x = 4,317,762.70

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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.