Home / 2,999,940.17-4,136,008.93-1,911,814.72

Finding the Fourth Proportional to 2,999,940.17, 4,136,008.93 and 1,911,814.72

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Solution

The fourth proportional to 2,999,940.17, 4,136,008.93 and 1,911,814.72 is: 2,635,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,940.17 : 4,136,008.93 = 1,911,814.72 : x
  2. Step 2: Convert to fraction form
    2,999,940.17/4,136,008.93 = 1,911,814.72/x
  3. Step 3: Cross multiply
    2,999,940.17x = 4,136,008.93 × 1,911,814.72
  4. Step 4: Simplify right side
    2,999,940.17x = 7,907,282,739,305.89
  5. Step 5: Solve for x
    x = 7,907,282,739,305.89/2,999,940.17
  6. Step 6: Final answer
    x = 2,635,813.48

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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.