Home / 2,216,004.75-3,059,509.84-1,390,210.52

Finding the Fourth Proportional to 2,216,004.75, 3,059,509.84 and 1,390,210.52

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Solution

The fourth proportional to 2,216,004.75, 3,059,509.84 and 1,390,210.52 is: 1,919,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,004.75 : 3,059,509.84 = 1,390,210.52 : x
  2. Step 2: Convert to fraction form
    2,216,004.75/3,059,509.84 = 1,390,210.52/x
  3. Step 3: Cross multiply
    2,216,004.75x = 3,059,509.84 × 1,390,210.52
  4. Step 4: Simplify right side
    2,216,004.75x = 4,253,362,771,868.12
  5. Step 5: Solve for x
    x = 4,253,362,771,868.12/2,216,004.75
  6. Step 6: Final answer
    x = 1,919,383.42

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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.