Home / 1,949,445.40-2,920,020.90-1,617,669.40

Finding the Fourth Proportional to 1,949,445.40, 2,920,020.90 and 1,617,669.40

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Solution

The fourth proportional to 1,949,445.40, 2,920,020.90 and 1,617,669.40 is: 2,423,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,445.40 : 2,920,020.90 = 1,617,669.40 : x
  2. Step 2: Convert to fraction form
    1,949,445.40/2,920,020.90 = 1,617,669.40/x
  3. Step 3: Cross multiply
    1,949,445.40x = 2,920,020.90 × 1,617,669.40
  4. Step 4: Simplify right side
    1,949,445.40x = 4,723,628,457,290.46
  5. Step 5: Solve for x
    x = 4,723,628,457,290.46/1,949,445.40
  6. Step 6: Final answer
    x = 2,423,062.71

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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.