Home / 1,639,533.72-2,443,001.55-1,460,666.28

Finding the Fourth Proportional to 1,639,533.72, 2,443,001.55 and 1,460,666.28

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Solution

The fourth proportional to 1,639,533.72, 2,443,001.55 and 1,460,666.28 is: 2,176,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,533.72 : 2,443,001.55 = 1,460,666.28 : x
  2. Step 2: Convert to fraction form
    1,639,533.72/2,443,001.55 = 1,460,666.28/x
  3. Step 3: Cross multiply
    1,639,533.72x = 2,443,001.55 × 1,460,666.28
  4. Step 4: Simplify right side
    1,639,533.72x = 3,568,409,986,072.73
  5. Step 5: Solve for x
    x = 3,568,409,986,072.73/1,639,533.72
  6. Step 6: Final answer
    x = 2,176,478.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.