Home / 2,158,586.36-2,978,852.98-1,191,718.28

Finding the Fourth Proportional to 2,158,586.36, 2,978,852.98 and 1,191,718.28

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Solution

The fourth proportional to 2,158,586.36, 2,978,852.98 and 1,191,718.28 is: 1,644,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,586.36 : 2,978,852.98 = 1,191,718.28 : x
  2. Step 2: Convert to fraction form
    2,158,586.36/2,978,852.98 = 1,191,718.28/x
  3. Step 3: Cross multiply
    2,158,586.36x = 2,978,852.98 × 1,191,718.28
  4. Step 4: Simplify right side
    2,158,586.36x = 3,549,953,549,698.47
  5. Step 5: Solve for x
    x = 3,549,953,549,698.47/2,158,586.36
  6. Step 6: Final answer
    x = 1,644,573.33

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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.