Home / 4,938,379.40-7,404,372.30-2,097,720.20

Finding the Fourth Proportional to 4,938,379.40, 7,404,372.30 and 2,097,720.20

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Solution

The fourth proportional to 4,938,379.40, 7,404,372.30 and 2,097,720.20 is: 3,145,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,379.40 : 7,404,372.30 = 2,097,720.20 : x
  2. Step 2: Convert to fraction form
    4,938,379.40/7,404,372.30 = 2,097,720.20/x
  3. Step 3: Cross multiply
    4,938,379.40x = 7,404,372.30 × 2,097,720.20
  4. Step 4: Simplify right side
    4,938,379.40x = 15,532,301,342,030.46
  5. Step 5: Solve for x
    x = 15,532,301,342,030.46/4,938,379.40
  6. Step 6: Final answer
    x = 3,145,222.37

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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.