Home / 1,556,828.08-2,148,421.78-841,436.08

Finding the Fourth Proportional to 1,556,828.08, 2,148,421.78 and 841,436.08

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Solution

The fourth proportional to 1,556,828.08, 2,148,421.78 and 841,436.08 is: 1,161,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,828.08 : 2,148,421.78 = 841,436.08 : x
  2. Step 2: Convert to fraction form
    1,556,828.08/2,148,421.78 = 841,436.08/x
  3. Step 3: Cross multiply
    1,556,828.08x = 2,148,421.78 × 841,436.08
  4. Step 4: Simplify right side
    1,556,828.08x = 1,807,759,600,749.82
  5. Step 5: Solve for x
    x = 1,807,759,600,749.82/1,556,828.08
  6. Step 6: Final answer
    x = 1,161,181.27

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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.