Home / 2,070,286.57-2,859,386.70-1,380,760.40

Finding the Fourth Proportional to 2,070,286.57, 2,859,386.70 and 1,380,760.40

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Solution

The fourth proportional to 2,070,286.57, 2,859,386.70 and 1,380,760.40 is: 1,907,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,286.57 : 2,859,386.70 = 1,380,760.40 : x
  2. Step 2: Convert to fraction form
    2,070,286.57/2,859,386.70 = 1,380,760.40/x
  3. Step 3: Cross multiply
    2,070,286.57x = 2,859,386.70 × 1,380,760.40
  4. Step 4: Simplify right side
    2,070,286.57x = 3,948,127,935,973.00
  5. Step 5: Solve for x
    x = 3,948,127,935,973.00/2,070,286.57
  6. Step 6: Final answer
    x = 1,907,044.17

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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.