Home / 2,140,239.36-2,953,417.80-1,222,287.24

Finding the Fourth Proportional to 2,140,239.36, 2,953,417.80 and 1,222,287.24

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Solution

The fourth proportional to 2,140,239.36, 2,953,417.80 and 1,222,287.24 is: 1,686,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,239.36 : 2,953,417.80 = 1,222,287.24 : x
  2. Step 2: Convert to fraction form
    2,140,239.36/2,953,417.80 = 1,222,287.24/x
  3. Step 3: Cross multiply
    2,140,239.36x = 2,953,417.80 × 1,222,287.24
  4. Step 4: Simplify right side
    2,140,239.36x = 3,609,924,891,328.87
  5. Step 5: Solve for x
    x = 3,609,924,891,328.87/2,140,239.36
  6. Step 6: Final answer
    x = 1,686,692.13

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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.