Home / 1,556,438.67-2,319,185.03-1,386,654.39

Finding the Fourth Proportional to 1,556,438.67, 2,319,185.03 and 1,386,654.39

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Solution

The fourth proportional to 1,556,438.67, 2,319,185.03 and 1,386,654.39 is: 2,066,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,438.67 : 2,319,185.03 = 1,386,654.39 : x
  2. Step 2: Convert to fraction form
    1,556,438.67/2,319,185.03 = 1,386,654.39/x
  3. Step 3: Cross multiply
    1,556,438.67x = 2,319,185.03 × 1,386,654.39
  4. Step 4: Simplify right side
    1,556,438.67x = 3,215,908,096,138.51
  5. Step 5: Solve for x
    x = 3,215,908,096,138.51/1,556,438.67
  6. Step 6: Final answer
    x = 2,066,196.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.