Home / 2,159,483.13-2,980,086.74-1,254,123.45

Finding the Fourth Proportional to 2,159,483.13, 2,980,086.74 and 1,254,123.45

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Solution

The fourth proportional to 2,159,483.13, 2,980,086.74 and 1,254,123.45 is: 1,730,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,483.13 : 2,980,086.74 = 1,254,123.45 : x
  2. Step 2: Convert to fraction form
    2,159,483.13/2,980,086.74 = 1,254,123.45/x
  3. Step 3: Cross multiply
    2,159,483.13x = 2,980,086.74 × 1,254,123.45
  4. Step 4: Simplify right side
    2,159,483.13x = 3,737,396,663,668.05
  5. Step 5: Solve for x
    x = 3,737,396,663,668.05/2,159,483.13
  6. Step 6: Final answer
    x = 1,730,690.37

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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.