Home / 2,875,063.20-3,968,862.48-1,856,964.48

Finding the Fourth Proportional to 2,875,063.20, 3,968,862.48 and 1,856,964.48

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Solution

The fourth proportional to 2,875,063.20, 3,968,862.48 and 1,856,964.48 is: 2,563,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,063.20 : 3,968,862.48 = 1,856,964.48 : x
  2. Step 2: Convert to fraction form
    2,875,063.20/3,968,862.48 = 1,856,964.48/x
  3. Step 3: Cross multiply
    2,875,063.20x = 3,968,862.48 × 1,856,964.48
  4. Step 4: Simplify right side
    2,875,063.20x = 7,370,036,651,364.71
  5. Step 5: Solve for x
    x = 7,370,036,651,364.71/2,875,063.20
  6. Step 6: Final answer
    x = 2,563,434.66

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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.