Home / 4,678,417.86-7,011,971.88-2,278,666.50

Finding the Fourth Proportional to 4,678,417.86, 7,011,971.88 and 2,278,666.50

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Solution

The fourth proportional to 4,678,417.86, 7,011,971.88 and 2,278,666.50 is: 3,415,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,417.86 : 7,011,971.88 = 2,278,666.50 : x
  2. Step 2: Convert to fraction form
    4,678,417.86/7,011,971.88 = 2,278,666.50/x
  3. Step 3: Cross multiply
    4,678,417.86x = 7,011,971.88 × 2,278,666.50
  4. Step 4: Simplify right side
    4,678,417.86x = 15,977,945,421,898.02
  5. Step 5: Solve for x
    x = 15,977,945,421,898.02/4,678,417.86
  6. Step 6: Final answer
    x = 3,415,245.47

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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.