Home / 3,116,999.80-4,673,166.90-1,698,657.40

Finding the Fourth Proportional to 3,116,999.80, 4,673,166.90 and 1,698,657.40

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Solution

The fourth proportional to 3,116,999.80, 4,673,166.90 and 1,698,657.40 is: 2,546,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,999.80 : 4,673,166.90 = 1,698,657.40 : x
  2. Step 2: Convert to fraction form
    3,116,999.80/4,673,166.90 = 1,698,657.40/x
  3. Step 3: Cross multiply
    3,116,999.80x = 4,673,166.90 × 1,698,657.40
  4. Step 4: Simplify right side
    3,116,999.80x = 7,938,109,536,120.06
  5. Step 5: Solve for x
    x = 7,938,109,536,120.06/3,116,999.80
  6. Step 6: Final answer
    x = 2,546,714.80

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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.