Home / 6,420,036.64-9,630,664.08-1,809,006.88

Finding the Fourth Proportional to 6,420,036.64, 9,630,664.08 and 1,809,006.88

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Solution

The fourth proportional to 6,420,036.64, 9,630,664.08 and 1,809,006.88 is: 2,713,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,036.64 : 9,630,664.08 = 1,809,006.88 : x
  2. Step 2: Convert to fraction form
    6,420,036.64/9,630,664.08 = 1,809,006.88/x
  3. Step 3: Cross multiply
    6,420,036.64x = 9,630,664.08 × 1,809,006.88
  4. Step 4: Simplify right side
    6,420,036.64x = 17,421,937,579,688.87
  5. Step 5: Solve for x
    x = 17,421,937,579,688.87/6,420,036.64
  6. Step 6: Final answer
    x = 2,713,681.95

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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.