Home / 3,137,000.80-4,709,000.40-2,931,422.80

Finding the Fourth Proportional to 3,137,000.80, 4,709,000.40 and 2,931,422.80

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Solution

The fourth proportional to 3,137,000.80, 4,709,000.40 and 2,931,422.80 is: 4,400,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,000.80 : 4,709,000.40 = 2,931,422.80 : x
  2. Step 2: Convert to fraction form
    3,137,000.80/4,709,000.40 = 2,931,422.80/x
  3. Step 3: Cross multiply
    3,137,000.80x = 4,709,000.40 × 2,931,422.80
  4. Step 4: Simplify right side
    3,137,000.80x = 13,804,071,137,769.12
  5. Step 5: Solve for x
    x = 13,804,071,137,769.12/3,137,000.80
  6. Step 6: Final answer
    x = 4,400,404.09

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1.5x scale

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.