Home / 2,249,053.28-3,105,043.44-1,390,764.32

Finding the Fourth Proportional to 2,249,053.28, 3,105,043.44 and 1,390,764.32

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Solution

The fourth proportional to 2,249,053.28, 3,105,043.44 and 1,390,764.32 is: 1,920,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249,053.28 : 3,105,043.44 = 1,390,764.32 : x
  2. Step 2: Convert to fraction form
    2,249,053.28/3,105,043.44 = 1,390,764.32/x
  3. Step 3: Cross multiply
    2,249,053.28x = 3,105,043.44 × 1,390,764.32
  4. Step 4: Simplify right side
    2,249,053.28x = 4,318,383,628,402.06
  5. Step 5: Solve for x
    x = 4,318,383,628,402.06/2,249,053.28
  6. Step 6: Final answer
    x = 1,920,089.52

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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.