Home / 1,886,929.32-2,828,031.48-1,485,986.88

Finding the Fourth Proportional to 1,886,929.32, 2,828,031.48 and 1,485,986.88

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Solution

The fourth proportional to 1,886,929.32, 2,828,031.48 and 1,485,986.88 is: 2,227,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,929.32 : 2,828,031.48 = 1,485,986.88 : x
  2. Step 2: Convert to fraction form
    1,886,929.32/2,828,031.48 = 1,485,986.88/x
  3. Step 3: Cross multiply
    1,886,929.32x = 2,828,031.48 × 1,485,986.88
  4. Step 4: Simplify right side
    1,886,929.32x = 4,202,417,675,506.98
  5. Step 5: Solve for x
    x = 4,202,417,675,506.98/1,886,929.32
  6. Step 6: Final answer
    x = 2,227,119.81

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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.