Home / 2,652,567.36-3,980,026.88-1,390,094.72

Finding the Fourth Proportional to 2,652,567.36, 3,980,026.88 and 1,390,094.72

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Solution

The fourth proportional to 2,652,567.36, 3,980,026.88 and 1,390,094.72 is: 2,085,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,567.36 : 3,980,026.88 = 1,390,094.72 : x
  2. Step 2: Convert to fraction form
    2,652,567.36/3,980,026.88 = 1,390,094.72/x
  3. Step 3: Cross multiply
    2,652,567.36x = 3,980,026.88 × 1,390,094.72
  4. Step 4: Simplify right side
    2,652,567.36x = 5,532,614,351,346.07
  5. Step 5: Solve for x
    x = 5,532,614,351,346.07/2,652,567.36
  6. Step 6: Final answer
    x = 2,085,758.29

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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.