Home / 2,578,216.40-3,558,507.72-1,432,690.64

Finding the Fourth Proportional to 2,578,216.40, 3,558,507.72 and 1,432,690.64

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Solution

The fourth proportional to 2,578,216.40, 3,558,507.72 and 1,432,690.64 is: 1,977,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,216.40 : 3,558,507.72 = 1,432,690.64 : x
  2. Step 2: Convert to fraction form
    2,578,216.40/3,558,507.72 = 1,432,690.64/x
  3. Step 3: Cross multiply
    2,578,216.40x = 3,558,507.72 × 1,432,690.64
  4. Step 4: Simplify right side
    2,578,216.40x = 5,098,240,702,811.74
  5. Step 5: Solve for x
    x = 5,098,240,702,811.74/2,578,216.40
  6. Step 6: Final answer
    x = 1,977,429.32

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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.