Home / 2,907,555.57-4,012,426.80-1,618,368.35

Finding the Fourth Proportional to 2,907,555.57, 4,012,426.80 and 1,618,368.35

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Solution

The fourth proportional to 2,907,555.57, 4,012,426.80 and 1,618,368.35 is: 2,233,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,555.57 : 4,012,426.80 = 1,618,368.35 : x
  2. Step 2: Convert to fraction form
    2,907,555.57/4,012,426.80 = 1,618,368.35/x
  3. Step 3: Cross multiply
    2,907,555.57x = 4,012,426.80 × 1,618,368.35
  4. Step 4: Simplify right side
    2,907,555.57x = 6,493,584,519,749.65
  5. Step 5: Solve for x
    x = 6,493,584,519,749.65/2,907,555.57
  6. Step 6: Final answer
    x = 2,233,348.38

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1.5x scale

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.