Home / 2,120,985.57-2,926,935.45-1,154,099.22

Finding the Fourth Proportional to 2,120,985.57, 2,926,935.45 and 1,154,099.22

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Solution

The fourth proportional to 2,120,985.57, 2,926,935.45 and 1,154,099.22 is: 1,592,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,985.57 : 2,926,935.45 = 1,154,099.22 : x
  2. Step 2: Convert to fraction form
    2,120,985.57/2,926,935.45 = 1,154,099.22/x
  3. Step 3: Cross multiply
    2,120,985.57x = 2,926,935.45 × 1,154,099.22
  4. Step 4: Simplify right side
    2,120,985.57x = 3,377,973,919,835.35
  5. Step 5: Solve for x
    x = 3,377,973,919,835.35/2,120,985.57
  6. Step 6: Final answer
    x = 1,592,643.52

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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.