Home / 2,019,222.45-3,030,309.90-1,345,079.70

Finding the Fourth Proportional to 2,019,222.45, 3,030,309.90 and 1,345,079.70

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Solution

The fourth proportional to 2,019,222.45, 3,030,309.90 and 1,345,079.70 is: 2,018,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,222.45 : 3,030,309.90 = 1,345,079.70 : x
  2. Step 2: Convert to fraction form
    2,019,222.45/3,030,309.90 = 1,345,079.70/x
  3. Step 3: Cross multiply
    2,019,222.45x = 3,030,309.90 × 1,345,079.70
  4. Step 4: Simplify right side
    2,019,222.45x = 4,076,008,331,199.03
  5. Step 5: Solve for x
    x = 4,076,008,331,199.03/2,019,222.45
  6. Step 6: Final answer
    x = 2,018,602.92

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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.