Home / 2,889,220.52-3,985,801.44-1,870,953.32

Finding the Fourth Proportional to 2,889,220.52, 3,985,801.44 and 1,870,953.32

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Solution

The fourth proportional to 2,889,220.52, 3,985,801.44 and 1,870,953.32 is: 2,581,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,220.52 : 3,985,801.44 = 1,870,953.32 : x
  2. Step 2: Convert to fraction form
    2,889,220.52/3,985,801.44 = 1,870,953.32/x
  3. Step 3: Cross multiply
    2,889,220.52x = 3,985,801.44 × 1,870,953.32
  4. Step 4: Simplify right side
    2,889,220.52x = 7,457,248,437,028.78
  5. Step 5: Solve for x
    x = 7,457,248,437,028.78/2,889,220.52
  6. Step 6: Final answer
    x = 2,581,058.93

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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.