Home / 2,075,679.41-2,864,372.63-1,216,811.70

Finding the Fourth Proportional to 2,075,679.41, 2,864,372.63 and 1,216,811.70

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Solution

The fourth proportional to 2,075,679.41, 2,864,372.63 and 1,216,811.70 is: 1,679,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,679.41 : 2,864,372.63 = 1,216,811.70 : x
  2. Step 2: Convert to fraction form
    2,075,679.41/2,864,372.63 = 1,216,811.70/x
  3. Step 3: Cross multiply
    2,075,679.41x = 2,864,372.63 × 1,216,811.70
  4. Step 4: Simplify right side
    2,075,679.41x = 3,485,402,123,259.71
  5. Step 5: Solve for x
    x = 3,485,402,123,259.71/2,075,679.41
  6. Step 6: Final answer
    x = 1,679,162.07

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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.