Home / 4,950,870.78-7,424,865.47-1,917,560.10

Finding the Fourth Proportional to 4,950,870.78, 7,424,865.47 and 1,917,560.10

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Solution

The fourth proportional to 4,950,870.78, 7,424,865.47 and 1,917,560.10 is: 2,875,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950,870.78 : 7,424,865.47 = 1,917,560.10 : x
  2. Step 2: Convert to fraction form
    4,950,870.78/7,424,865.47 = 1,917,560.10/x
  3. Step 3: Cross multiply
    4,950,870.78x = 7,424,865.47 × 1,917,560.10
  4. Step 4: Simplify right side
    4,950,870.78x = 14,237,625,773,139.75
  5. Step 5: Solve for x
    x = 14,237,625,773,139.75/4,950,870.78
  6. Step 6: Final answer
    x = 2,875,782.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.