Home / 4,160,677.16-6,240,378.30-1,320,421.16

Finding the Fourth Proportional to 4,160,677.16, 6,240,378.30 and 1,320,421.16

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Solution

The fourth proportional to 4,160,677.16, 6,240,378.30 and 1,320,421.16 is: 1,980,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160,677.16 : 6,240,378.30 = 1,320,421.16 : x
  2. Step 2: Convert to fraction form
    4,160,677.16/6,240,378.30 = 1,320,421.16/x
  3. Step 3: Cross multiply
    4,160,677.16x = 6,240,378.30 × 1,320,421.16
  4. Step 4: Simplify right side
    4,160,677.16x = 8,239,927,553,724.83
  5. Step 5: Solve for x
    x = 8,239,927,553,724.83/4,160,677.16
  6. Step 6: Final answer
    x = 1,980,429.44

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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.