Home / 2,918,364.48-4,029,023.88-1,939,630.64

Finding the Fourth Proportional to 2,918,364.48, 4,029,023.88 and 1,939,630.64

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Solution

The fourth proportional to 2,918,364.48, 4,029,023.88 and 1,939,630.64 is: 2,677,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,364.48 : 4,029,023.88 = 1,939,630.64 : x
  2. Step 2: Convert to fraction form
    2,918,364.48/4,029,023.88 = 1,939,630.64/x
  3. Step 3: Cross multiply
    2,918,364.48x = 4,029,023.88 × 1,939,630.64
  4. Step 4: Simplify right side
    2,918,364.48x = 7,814,818,166,939.68
  5. Step 5: Solve for x
    x = 7,814,818,166,939.68/2,918,364.48
  6. Step 6: Final answer
    x = 2,677,807.46

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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.