Home / 4,678,809.45-7,018,214.18-1,646,643.30

Finding the Fourth Proportional to 4,678,809.45, 7,018,214.18 and 1,646,643.30

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Solution

The fourth proportional to 4,678,809.45, 7,018,214.18 and 1,646,643.30 is: 2,469,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,809.45 : 7,018,214.18 = 1,646,643.30 : x
  2. Step 2: Convert to fraction form
    4,678,809.45/7,018,214.18 = 1,646,643.30/x
  3. Step 3: Cross multiply
    4,678,809.45x = 7,018,214.18 × 1,646,643.30
  4. Step 4: Simplify right side
    4,678,809.45x = 11,556,495,349,228.78
  5. Step 5: Solve for x
    x = 11,556,495,349,228.78/4,678,809.45
  6. Step 6: Final answer
    x = 2,469,964.95

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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.