Home / 3,020,143.30-4,167,885.40-1,643,575.84

Finding the Fourth Proportional to 3,020,143.30, 4,167,885.40 and 1,643,575.84

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Solution

The fourth proportional to 3,020,143.30, 4,167,885.40 and 1,643,575.84 is: 2,268,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,143.30 : 4,167,885.40 = 1,643,575.84 : x
  2. Step 2: Convert to fraction form
    3,020,143.30/4,167,885.40 = 1,643,575.84/x
  3. Step 3: Cross multiply
    3,020,143.30x = 4,167,885.40 × 1,643,575.84
  4. Step 4: Simplify right side
    3,020,143.30x = 6,850,235,747,328.74
  5. Step 5: Solve for x
    x = 6,850,235,747,328.74/3,020,143.30
  6. Step 6: Final answer
    x = 2,268,182.36

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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.