Home / 4,719,643.20-6,511,428-2,784,935.52

Finding the Fourth Proportional to 4,719,643.20, 6,511,428 and 2,784,935.52

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Solution

The fourth proportional to 4,719,643.20, 6,511,428 and 2,784,935.52 is: 3,842,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719,643.20 : 6,511,428 = 2,784,935.52 : x
  2. Step 2: Convert to fraction form
    4,719,643.20/6,511,428 = 2,784,935.52/x
  3. Step 3: Cross multiply
    4,719,643.20x = 6,511,428 × 2,784,935.52
  4. Step 4: Simplify right side
    4,719,643.20x = 18,133,907,123,122.56
  5. Step 5: Solve for x
    x = 18,133,907,123,122.56/4,719,643.20
  6. Step 6: Final answer
    x = 3,842,219.92

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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.