Home / 2,567,686.77-3,543,364.44-1,421,742.51

Finding the Fourth Proportional to 2,567,686.77, 3,543,364.44 and 1,421,742.51

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Solution

The fourth proportional to 2,567,686.77, 3,543,364.44 and 1,421,742.51 is: 1,961,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,686.77 : 3,543,364.44 = 1,421,742.51 : x
  2. Step 2: Convert to fraction form
    2,567,686.77/3,543,364.44 = 1,421,742.51/x
  3. Step 3: Cross multiply
    2,567,686.77x = 3,543,364.44 × 1,421,742.51
  4. Step 4: Simplify right side
    2,567,686.77x = 5,037,751,852,770.35
  5. Step 5: Solve for x
    x = 5,037,751,852,770.35/2,567,686.77
  6. Step 6: Final answer
    x = 1,961,980.69

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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.