Home / 4,955,400.45-6,838,499.32-2,779,990.34

Finding the Fourth Proportional to 4,955,400.45, 6,838,499.32 and 2,779,990.34

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Solution

The fourth proportional to 4,955,400.45, 6,838,499.32 and 2,779,990.34 is: 3,836,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955,400.45 : 6,838,499.32 = 2,779,990.34 : x
  2. Step 2: Convert to fraction form
    4,955,400.45/6,838,499.32 = 2,779,990.34/x
  3. Step 3: Cross multiply
    4,955,400.45x = 6,838,499.32 × 2,779,990.34
  4. Step 4: Simplify right side
    4,955,400.45x = 19,010,962,008,554.10
  5. Step 5: Solve for x
    x = 19,010,962,008,554.10/4,955,400.45
  6. Step 6: Final answer
    x = 3,836,412.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.