Home / 2,839,268.40-3,919,959-1,807,358.64

Finding the Fourth Proportional to 2,839,268.40, 3,919,959 and 1,807,358.64

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Solution

The fourth proportional to 2,839,268.40, 3,919,959 and 1,807,358.64 is: 2,495,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,268.40 : 3,919,959 = 1,807,358.64 : x
  2. Step 2: Convert to fraction form
    2,839,268.40/3,919,959 = 1,807,358.64/x
  3. Step 3: Cross multiply
    2,839,268.40x = 3,919,959 × 1,807,358.64
  4. Step 4: Simplify right side
    2,839,268.40x = 7,084,771,767,095.76
  5. Step 5: Solve for x
    x = 7,084,771,767,095.76/2,839,268.40
  6. Step 6: Final answer
    x = 2,495,280.74

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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.