Home / 2,808,071.40-4,212,107.10-1,213,748.40

Finding the Fourth Proportional to 2,808,071.40, 4,212,107.10 and 1,213,748.40

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Solution

The fourth proportional to 2,808,071.40, 4,212,107.10 and 1,213,748.40 is: 1,820,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,071.40 : 4,212,107.10 = 1,213,748.40 : x
  2. Step 2: Convert to fraction form
    2,808,071.40/4,212,107.10 = 1,213,748.40/x
  3. Step 3: Cross multiply
    2,808,071.40x = 4,212,107.10 × 1,213,748.40
  4. Step 4: Simplify right side
    2,808,071.40x = 5,112,438,253,253.64
  5. Step 5: Solve for x
    x = 5,112,438,253,253.64/2,808,071.40
  6. Step 6: Final answer
    x = 1,820,622.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.