Home / 5,107,429.89-7,048,206.90-2,815,590.51

Finding the Fourth Proportional to 5,107,429.89, 7,048,206.90 and 2,815,590.51

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Solution

The fourth proportional to 5,107,429.89, 7,048,206.90 and 2,815,590.51 is: 3,885,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,429.89 : 7,048,206.90 = 2,815,590.51 : x
  2. Step 2: Convert to fraction form
    5,107,429.89/7,048,206.90 = 2,815,590.51/x
  3. Step 3: Cross multiply
    5,107,429.89x = 7,048,206.90 × 2,815,590.51
  4. Step 4: Simplify right side
    5,107,429.89x = 19,844,864,460,156.52
  5. Step 5: Solve for x
    x = 19,844,864,460,156.52/5,107,429.89
  6. Step 6: Final answer
    x = 3,885,489.35

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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.