Home / 1,858,464.09-2,565,409.86-1,317,427.83

Finding the Fourth Proportional to 1,858,464.09, 2,565,409.86 and 1,317,427.83

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Solution

The fourth proportional to 1,858,464.09, 2,565,409.86 and 1,317,427.83 is: 1,818,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,464.09 : 2,565,409.86 = 1,317,427.83 : x
  2. Step 2: Convert to fraction form
    1,858,464.09/2,565,409.86 = 1,317,427.83/x
  3. Step 3: Cross multiply
    1,858,464.09x = 2,565,409.86 × 1,317,427.83
  4. Step 4: Simplify right side
    1,858,464.09x = 3,379,742,344,920.40
  5. Step 5: Solve for x
    x = 3,379,742,344,920.40/1,858,464.09
  6. Step 6: Final answer
    x = 1,818,567.47

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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.