Home / 4,918,189.86-6,787,088.80-2,742,735.46

Finding the Fourth Proportional to 4,918,189.86, 6,787,088.80 and 2,742,735.46

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Solution

The fourth proportional to 4,918,189.86, 6,787,088.80 and 2,742,735.46 is: 3,784,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,189.86 : 6,787,088.80 = 2,742,735.46 : x
  2. Step 2: Convert to fraction form
    4,918,189.86/6,787,088.80 = 2,742,735.46/x
  3. Step 3: Cross multiply
    4,918,189.86x = 6,787,088.80 × 2,742,735.46
  4. Step 4: Simplify right side
    4,918,189.86x = 18,615,189,121,928.85
  5. Step 5: Solve for x
    x = 18,615,189,121,928.85/4,918,189.86
  6. Step 6: Final answer
    x = 3,784,967.57

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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.