Home / 2,646,009.80-3,969,014.70-1,580,503.40

Finding the Fourth Proportional to 2,646,009.80, 3,969,014.70 and 1,580,503.40

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Solution

The fourth proportional to 2,646,009.80, 3,969,014.70 and 1,580,503.40 is: 2,370,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,009.80 : 3,969,014.70 = 1,580,503.40 : x
  2. Step 2: Convert to fraction form
    2,646,009.80/3,969,014.70 = 1,580,503.40/x
  3. Step 3: Cross multiply
    2,646,009.80x = 3,969,014.70 × 1,580,503.40
  4. Step 4: Simplify right side
    2,646,009.80x = 6,273,041,227,999.98
  5. Step 5: Solve for x
    x = 6,273,041,227,999.98/2,646,009.80
  6. Step 6: Final answer
    x = 2,370,755.10

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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.