Home / 1,999,190.16-2,758,931.28-1,139,832

Finding the Fourth Proportional to 1,999,190.16, 2,758,931.28 and 1,139,832

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Solution

The fourth proportional to 1,999,190.16, 2,758,931.28 and 1,139,832 is: 1,572,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,190.16 : 2,758,931.28 = 1,139,832 : x
  2. Step 2: Convert to fraction form
    1,999,190.16/2,758,931.28 = 1,139,832/x
  3. Step 3: Cross multiply
    1,999,190.16x = 2,758,931.28 × 1,139,832
  4. Step 4: Simplify right side
    1,999,190.16x = 3,144,718,158,744.96
  5. Step 5: Solve for x
    x = 3,144,718,158,744.96/1,999,190.16
  6. Step 6: Final answer
    x = 1,572,996.02

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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.