Home / 2,098,985.40-2,896,656.90-1,181,247.30

Finding the Fourth Proportional to 2,098,985.40, 2,896,656.90 and 1,181,247.30

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Solution

The fourth proportional to 2,098,985.40, 2,896,656.90 and 1,181,247.30 is: 1,630,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,985.40 : 2,896,656.90 = 1,181,247.30 : x
  2. Step 2: Convert to fraction form
    2,098,985.40/2,896,656.90 = 1,181,247.30/x
  3. Step 3: Cross multiply
    2,098,985.40x = 2,896,656.90 × 1,181,247.30
  4. Step 4: Simplify right side
    2,098,985.40x = 3,421,668,137,721.69
  5. Step 5: Solve for x
    x = 3,421,668,137,721.69/2,098,985.40
  6. Step 6: Final answer
    x = 1,630,153.38

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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.