Home / 2,689,641.40-4,031,837.70-2,406,206.20

Finding the Fourth Proportional to 2,689,641.40, 4,031,837.70 and 2,406,206.20

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Solution

The fourth proportional to 2,689,641.40, 4,031,837.70 and 2,406,206.20 is: 3,606,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,641.40 : 4,031,837.70 = 2,406,206.20 : x
  2. Step 2: Convert to fraction form
    2,689,641.40/4,031,837.70 = 2,406,206.20/x
  3. Step 3: Cross multiply
    2,689,641.40x = 4,031,837.70 × 2,406,206.20
  4. Step 4: Simplify right side
    2,689,641.40x = 9,701,432,871,133.74
  5. Step 5: Solve for x
    x = 9,701,432,871,133.74/2,689,641.40
  6. Step 6: Final answer
    x = 3,606,961.46

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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.