Home / 2,390,458.50-3,298,832.80-1,317,370.50

Finding the Fourth Proportional to 2,390,458.50, 3,298,832.80 and 1,317,370.50

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Solution

The fourth proportional to 2,390,458.50, 3,298,832.80 and 1,317,370.50 is: 1,817,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,458.50 : 3,298,832.80 = 1,317,370.50 : x
  2. Step 2: Convert to fraction form
    2,390,458.50/3,298,832.80 = 1,317,370.50/x
  3. Step 3: Cross multiply
    2,390,458.50x = 3,298,832.80 × 1,317,370.50
  4. Step 4: Simplify right side
    2,390,458.50x = 4,345,785,015,152.40
  5. Step 5: Solve for x
    x = 4,345,785,015,152.40/2,390,458.50
  6. Step 6: Final answer
    x = 1,817,971.33

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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.