Home / 2,018,726.40-3,025,324.80-1,645,478.40

Finding the Fourth Proportional to 2,018,726.40, 3,025,324.80 and 1,645,478.40

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Solution

The fourth proportional to 2,018,726.40, 3,025,324.80 and 1,645,478.40 is: 2,465,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,726.40 : 3,025,324.80 = 1,645,478.40 : x
  2. Step 2: Convert to fraction form
    2,018,726.40/3,025,324.80 = 1,645,478.40/x
  3. Step 3: Cross multiply
    2,018,726.40x = 3,025,324.80 × 1,645,478.40
  4. Step 4: Simplify right side
    2,018,726.40x = 4,978,106,611,384.32
  5. Step 5: Solve for x
    x = 4,978,106,611,384.32/2,018,726.40
  6. Step 6: Final answer
    x = 2,465,963.99

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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.