Home / 4,779,612.85-7,169,412.76-2,219,427.82

Finding the Fourth Proportional to 4,779,612.85, 7,169,412.76 and 2,219,427.82

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Solution

The fourth proportional to 4,779,612.85, 7,169,412.76 and 2,219,427.82 is: 3,329,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,612.85 : 7,169,412.76 = 2,219,427.82 : x
  2. Step 2: Convert to fraction form
    4,779,612.85/7,169,412.76 = 2,219,427.82/x
  3. Step 3: Cross multiply
    4,779,612.85x = 7,169,412.76 × 2,219,427.82
  4. Step 4: Simplify right side
    4,779,612.85x = 15,911,994,142,980.90
  5. Step 5: Solve for x
    x = 15,911,994,142,980.90/4,779,612.85
  6. Step 6: Final answer
    x = 3,329,138.71

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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.