Home / 1,688,157.22-2,329,951.43-1,000,216.40

Finding the Fourth Proportional to 1,688,157.22, 2,329,951.43 and 1,000,216.40

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Solution

The fourth proportional to 1,688,157.22, 2,329,951.43 and 1,000,216.40 is: 1,380,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,157.22 : 2,329,951.43 = 1,000,216.40 : x
  2. Step 2: Convert to fraction form
    1,688,157.22/2,329,951.43 = 1,000,216.40/x
  3. Step 3: Cross multiply
    1,688,157.22x = 2,329,951.43 × 1,000,216.40
  4. Step 4: Simplify right side
    1,688,157.22x = 2,330,455,635,446.21
  5. Step 5: Solve for x
    x = 2,330,455,635,446.21/1,688,157.22
  6. Step 6: Final answer
    x = 1,380,473.10

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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.