Home / 3,221,666.64-4,445,636.13-1,896,880.86

Finding the Fourth Proportional to 3,221,666.64, 4,445,636.13 and 1,896,880.86

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Solution

The fourth proportional to 3,221,666.64, 4,445,636.13 and 1,896,880.86 is: 2,617,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,666.64 : 4,445,636.13 = 1,896,880.86 : x
  2. Step 2: Convert to fraction form
    3,221,666.64/4,445,636.13 = 1,896,880.86/x
  3. Step 3: Cross multiply
    3,221,666.64x = 4,445,636.13 × 1,896,880.86
  4. Step 4: Simplify right side
    3,221,666.64x = 8,432,842,085,521.47
  5. Step 5: Solve for x
    x = 8,432,842,085,521.47/3,221,666.64
  6. Step 6: Final answer
    x = 2,617,540.24

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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.