Home / 5,430,929.75-8,147,443.67-2,064,875.03

Finding the Fourth Proportional to 5,430,929.75, 8,147,443.67 and 2,064,875.03

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Solution

The fourth proportional to 5,430,929.75, 8,147,443.67 and 2,064,875.03 is: 3,097,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,929.75 : 8,147,443.67 = 2,064,875.03 : x
  2. Step 2: Convert to fraction form
    5,430,929.75/8,147,443.67 = 2,064,875.03/x
  3. Step 3: Cross multiply
    5,430,929.75x = 8,147,443.67 × 2,064,875.03
  4. Step 4: Simplify right side
    5,430,929.75x = 16,823,452,992,514.56
  5. Step 5: Solve for x
    x = 16,823,452,992,514.56/5,430,929.75
  6. Step 6: Final answer
    x = 3,097,711.40

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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.