Home / 1,767,215.81-2,438,693.88-1,080,037.19

Finding the Fourth Proportional to 1,767,215.81, 2,438,693.88 and 1,080,037.19

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Solution

The fourth proportional to 1,767,215.81, 2,438,693.88 and 1,080,037.19 is: 1,490,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,215.81 : 2,438,693.88 = 1,080,037.19 : x
  2. Step 2: Convert to fraction form
    1,767,215.81/2,438,693.88 = 1,080,037.19/x
  3. Step 3: Cross multiply
    1,767,215.81x = 2,438,693.88 × 1,080,037.19
  4. Step 4: Simplify right side
    1,767,215.81x = 2,633,880,085,425.40
  5. Step 5: Solve for x
    x = 2,633,880,085,425.40/1,767,215.81
  6. Step 6: Final answer
    x = 1,490,412.25

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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.