Home / 5,430,348.64-8,147,292.36-2,590,091.20

Finding the Fourth Proportional to 5,430,348.64, 8,147,292.36 and 2,590,091.20

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Solution

The fourth proportional to 5,430,348.64, 8,147,292.36 and 2,590,091.20 is: 3,885,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,348.64 : 8,147,292.36 = 2,590,091.20 : x
  2. Step 2: Convert to fraction form
    5,430,348.64/8,147,292.36 = 2,590,091.20/x
  3. Step 3: Cross multiply
    5,430,348.64x = 8,147,292.36 × 2,590,091.20
  4. Step 4: Simplify right side
    5,430,348.64x = 21,102,230,245,463.23
  5. Step 5: Solve for x
    x = 21,102,230,245,463.23/5,430,348.64
  6. Step 6: Final answer
    x = 3,885,980.74

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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.