Home / 2,164,947.09-2,987,675.73-1,402,328.04

Finding the Fourth Proportional to 2,164,947.09, 2,987,675.73 and 1,402,328.04

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Solution

The fourth proportional to 2,164,947.09, 2,987,675.73 and 1,402,328.04 is: 1,935,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,947.09 : 2,987,675.73 = 1,402,328.04 : x
  2. Step 2: Convert to fraction form
    2,164,947.09/2,987,675.73 = 1,402,328.04/x
  3. Step 3: Cross multiply
    2,164,947.09x = 2,987,675.73 × 1,402,328.04
  4. Step 4: Simplify right side
    2,164,947.09x = 4,189,701,450,606.47
  5. Step 5: Solve for x
    x = 4,189,701,450,606.47/2,164,947.09
  6. Step 6: Final answer
    x = 1,935,244.27

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1.5x scale

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.