Home / 2,657,573.66-3,986,994.06-860,457.68

Finding the Fourth Proportional to 2,657,573.66, 3,986,994.06 and 860,457.68

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Solution

The fourth proportional to 2,657,573.66, 3,986,994.06 and 860,457.68 is: 1,290,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,573.66 : 3,986,994.06 = 860,457.68 : x
  2. Step 2: Convert to fraction form
    2,657,573.66/3,986,994.06 = 860,457.68/x
  3. Step 3: Cross multiply
    2,657,573.66x = 3,986,994.06 × 860,457.68
  4. Step 4: Simplify right side
    2,657,573.66x = 3,430,639,634,804.12
  5. Step 5: Solve for x
    x = 3,430,639,634,804.12/2,657,573.66
  6. Step 6: Final answer
    x = 1,290,891.65

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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.