Home / 3,118,157.83-4,300,686.70-2,683,308.12

Finding the Fourth Proportional to 3,118,157.83, 4,300,686.70 and 2,683,308.12

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Solution

The fourth proportional to 3,118,157.83, 4,300,686.70 and 2,683,308.12 is: 3,700,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,157.83 : 4,300,686.70 = 2,683,308.12 : x
  2. Step 2: Convert to fraction form
    3,118,157.83/4,300,686.70 = 2,683,308.12/x
  3. Step 3: Cross multiply
    3,118,157.83x = 4,300,686.70 × 2,683,308.12
  4. Step 4: Simplify right side
    3,118,157.83x = 11,540,067,543,686.01
  5. Step 5: Solve for x
    x = 11,540,067,543,686.01/3,118,157.83
  6. Step 6: Final answer
    x = 3,700,924.77

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1.5x scale

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.