Home / 1,863,369.45-2,571,434.37-1,047,576.78

Finding the Fourth Proportional to 1,863,369.45, 2,571,434.37 and 1,047,576.78

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Solution

The fourth proportional to 1,863,369.45, 2,571,434.37 and 1,047,576.78 is: 1,445,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,369.45 : 2,571,434.37 = 1,047,576.78 : x
  2. Step 2: Convert to fraction form
    1,863,369.45/2,571,434.37 = 1,047,576.78/x
  3. Step 3: Cross multiply
    1,863,369.45x = 2,571,434.37 × 1,047,576.78
  4. Step 4: Simplify right side
    1,863,369.45x = 2,693,774,937,305.93
  5. Step 5: Solve for x
    x = 2,693,774,937,305.93/1,863,369.45
  6. Step 6: Final answer
    x = 1,445,647.26

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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.