Home / 3,390,563.80-4,679,064.66-1,862,709.40

Finding the Fourth Proportional to 3,390,563.80, 4,679,064.66 and 1,862,709.40

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Solution

The fourth proportional to 3,390,563.80, 4,679,064.66 and 1,862,709.40 is: 2,570,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,563.80 : 4,679,064.66 = 1,862,709.40 : x
  2. Step 2: Convert to fraction form
    3,390,563.80/4,679,064.66 = 1,862,709.40/x
  3. Step 3: Cross multiply
    3,390,563.80x = 4,679,064.66 × 1,862,709.40
  4. Step 4: Simplify right side
    3,390,563.80x = 8,715,737,725,389.80
  5. Step 5: Solve for x
    x = 8,715,737,725,389.80/3,390,563.80
  6. Step 6: Final answer
    x = 2,570,586.56

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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.