Home / 3,390,382.08-4,677,920.64-1,920,303.36

Finding the Fourth Proportional to 3,390,382.08, 4,677,920.64 and 1,920,303.36

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Solution

The fourth proportional to 3,390,382.08, 4,677,920.64 and 1,920,303.36 is: 2,649,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,382.08 : 4,677,920.64 = 1,920,303.36 : x
  2. Step 2: Convert to fraction form
    3,390,382.08/4,677,920.64 = 1,920,303.36/x
  3. Step 3: Cross multiply
    3,390,382.08x = 4,677,920.64 × 1,920,303.36
  4. Step 4: Simplify right side
    3,390,382.08x = 8,983,026,722,805.35
  5. Step 5: Solve for x
    x = 8,983,026,722,805.35/3,390,382.08
  6. Step 6: Final answer
    x = 2,649,561.76

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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.