Home / 1,887,243.16-2,828,065.36-1,386,157.72

Finding the Fourth Proportional to 1,887,243.16, 2,828,065.36 and 1,386,157.72

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Solution

The fourth proportional to 1,887,243.16, 2,828,065.36 and 1,386,157.72 is: 2,077,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,243.16 : 2,828,065.36 = 1,386,157.72 : x
  2. Step 2: Convert to fraction form
    1,887,243.16/2,828,065.36 = 1,386,157.72/x
  3. Step 3: Cross multiply
    1,887,243.16x = 2,828,065.36 × 1,386,157.72
  4. Step 4: Simplify right side
    1,887,243.16x = 3,920,144,631,428.58
  5. Step 5: Solve for x
    x = 3,920,144,631,428.58/1,887,243.16
  6. Step 6: Final answer
    x = 2,077,180.47

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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.