Home / 3,210,581.90-4,429,979.10-1,903,592.43

Finding the Fourth Proportional to 3,210,581.90, 4,429,979.10 and 1,903,592.43

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Solution

The fourth proportional to 3,210,581.90, 4,429,979.10 and 1,903,592.43 is: 2,626,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,581.90 : 4,429,979.10 = 1,903,592.43 : x
  2. Step 2: Convert to fraction form
    3,210,581.90/4,429,979.10 = 1,903,592.43/x
  3. Step 3: Cross multiply
    3,210,581.90x = 4,429,979.10 × 1,903,592.43
  4. Step 4: Simplify right side
    3,210,581.90x = 8,432,874,679,818.21
  5. Step 5: Solve for x
    x = 8,432,874,679,818.21/3,210,581.90
  6. Step 6: Final answer
    x = 2,626,587.63

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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.