Home / 1,557,239.40-2,174,820.75-1,557,239.40

Finding the Fourth Proportional to 1,557,239.40, 2,174,820.75 and 1,557,239.40

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Solution

The fourth proportional to 1,557,239.40, 2,174,820.75 and 1,557,239.40 is: 2,174,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,239.40 : 2,174,820.75 = 1,557,239.40 : x
  2. Step 2: Convert to fraction form
    1,557,239.40/2,174,820.75 = 1,557,239.40/x
  3. Step 3: Cross multiply
    1,557,239.40x = 2,174,820.75 × 1,557,239.40
  4. Step 4: Simplify right side
    1,557,239.40x = 3,386,716,559,837.55
  5. Step 5: Solve for x
    x = 3,386,716,559,837.55/1,557,239.40
  6. Step 6: Final answer
    x = 2,174,820.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.