Home / 2,953,642.20-4,430,462.76-709,780.20

Finding the Fourth Proportional to 2,953,642.20, 4,430,462.76 and 709,780.20

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Solution

The fourth proportional to 2,953,642.20, 4,430,462.76 and 709,780.20 is: 1,064,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,642.20 : 4,430,462.76 = 709,780.20 : x
  2. Step 2: Convert to fraction form
    2,953,642.20/4,430,462.76 = 709,780.20/x
  3. Step 3: Cross multiply
    2,953,642.20x = 4,430,462.76 × 709,780.20
  4. Step 4: Simplify right side
    2,953,642.20x = 3,144,654,743,885.35
  5. Step 5: Solve for x
    x = 3,144,654,743,885.35/2,953,642.20
  6. Step 6: Final answer
    x = 1,064,670.17

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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.