Home / 3,603,070-4,972,299.64-1,971,620.40

Finding the Fourth Proportional to 3,603,070, 4,972,299.64 and 1,971,620.40

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Solution

The fourth proportional to 3,603,070, 4,972,299.64 and 1,971,620.40 is: 2,720,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,070 : 4,972,299.64 = 1,971,620.40 : x
  2. Step 2: Convert to fraction form
    3,603,070/4,972,299.64 = 1,971,620.40/x
  3. Step 3: Cross multiply
    3,603,070x = 4,972,299.64 × 1,971,620.40
  4. Step 4: Simplify right side
    3,603,070x = 9,803,487,405,136.65
  5. Step 5: Solve for x
    x = 9,803,487,405,136.65/3,603,070
  6. Step 6: Final answer
    x = 2,720,870.65

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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.