Home / 2,075,975.28-2,865,132-1,216,878.48

Finding the Fourth Proportional to 2,075,975.28, 2,865,132 and 1,216,878.48

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Solution

The fourth proportional to 2,075,975.28, 2,865,132 and 1,216,878.48 is: 1,679,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,975.28 : 2,865,132 = 1,216,878.48 : x
  2. Step 2: Convert to fraction form
    2,075,975.28/2,865,132 = 1,216,878.48/x
  3. Step 3: Cross multiply
    2,075,975.28x = 2,865,132 × 1,216,878.48
  4. Step 4: Simplify right side
    2,075,975.28x = 3,486,517,473,159.36
  5. Step 5: Solve for x
    x = 3,486,517,473,159.36/2,075,975.28
  6. Step 6: Final answer
    x = 1,679,460.01

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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.