Home / 3,413,643.90-5,120,465.85-1,620,030.53

Finding the Fourth Proportional to 3,413,643.90, 5,120,465.85 and 1,620,030.53

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Solution

The fourth proportional to 3,413,643.90, 5,120,465.85 and 1,620,030.53 is: 2,430,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,643.90 : 5,120,465.85 = 1,620,030.53 : x
  2. Step 2: Convert to fraction form
    3,413,643.90/5,120,465.85 = 1,620,030.53/x
  3. Step 3: Cross multiply
    3,413,643.90x = 5,120,465.85 × 1,620,030.53
  4. Step 4: Simplify right side
    3,413,643.90x = 8,295,310,979,220.07
  5. Step 5: Solve for x
    x = 8,295,310,979,220.07/3,413,643.90
  6. Step 6: Final answer
    x = 2,430,045.79

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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.