Home / 1,863,423.40-2,571,464.72-1,047,661.60

Finding the Fourth Proportional to 1,863,423.40, 2,571,464.72 and 1,047,661.60

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Solution

The fourth proportional to 1,863,423.40, 2,571,464.72 and 1,047,661.60 is: 1,445,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,423.40 : 2,571,464.72 = 1,047,661.60 : x
  2. Step 2: Convert to fraction form
    1,863,423.40/2,571,464.72 = 1,047,661.60/x
  3. Step 3: Cross multiply
    1,863,423.40x = 2,571,464.72 × 1,047,661.60
  4. Step 4: Simplify right side
    1,863,423.40x = 2,694,024,842,898.75
  5. Step 5: Solve for x
    x = 2,694,024,842,898.75/1,863,423.40
  6. Step 6: Final answer
    x = 1,445,739.52

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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.