Home / 2,075,426.20-3,111,411.30-878,267.80

Finding the Fourth Proportional to 2,075,426.20, 3,111,411.30 and 878,267.80

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Solution

The fourth proportional to 2,075,426.20, 3,111,411.30 and 878,267.80 is: 1,316,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,426.20 : 3,111,411.30 = 878,267.80 : x
  2. Step 2: Convert to fraction form
    2,075,426.20/3,111,411.30 = 878,267.80/x
  3. Step 3: Cross multiply
    2,075,426.20x = 3,111,411.30 × 878,267.80
  4. Step 4: Simplify right side
    2,075,426.20x = 2,732,652,357,346.14
  5. Step 5: Solve for x
    x = 2,732,652,357,346.14/2,075,426.20
  6. Step 6: Final answer
    x = 1,316,670.45

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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.