Home / 3,435,127.20-5,148,284.40-1,918,807.20

Finding the Fourth Proportional to 3,435,127.20, 5,148,284.40 and 1,918,807.20

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Solution

The fourth proportional to 3,435,127.20, 5,148,284.40 and 1,918,807.20 is: 2,875,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,127.20 : 5,148,284.40 = 1,918,807.20 : x
  2. Step 2: Convert to fraction form
    3,435,127.20/5,148,284.40 = 1,918,807.20/x
  3. Step 3: Cross multiply
    3,435,127.20x = 5,148,284.40 × 1,918,807.20
  4. Step 4: Simplify right side
    3,435,127.20x = 9,878,565,174,367.68
  5. Step 5: Solve for x
    x = 9,878,565,174,367.68/3,435,127.20
  6. Step 6: Final answer
    x = 2,875,749.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.