Home / 1,907,071.95-2,632,449.87-1,262,699.74

Finding the Fourth Proportional to 1,907,071.95, 2,632,449.87 and 1,262,699.74

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Solution

The fourth proportional to 1,907,071.95, 2,632,449.87 and 1,262,699.74 is: 1,742,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,071.95 : 2,632,449.87 = 1,262,699.74 : x
  2. Step 2: Convert to fraction form
    1,907,071.95/2,632,449.87 = 1,262,699.74/x
  3. Step 3: Cross multiply
    1,907,071.95x = 2,632,449.87 × 1,262,699.74
  4. Step 4: Simplify right side
    1,907,071.95x = 3,323,993,766,412.03
  5. Step 5: Solve for x
    x = 3,323,993,766,412.03/1,907,071.95
  6. Step 6: Final answer
    x = 1,742,982.88

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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.