Home / 2,013,991.34-2,779,573.47-1,209,227.18

Finding the Fourth Proportional to 2,013,991.34, 2,779,573.47 and 1,209,227.18

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Solution

The fourth proportional to 2,013,991.34, 2,779,573.47 and 1,209,227.18 is: 1,668,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,991.34 : 2,779,573.47 = 1,209,227.18 : x
  2. Step 2: Convert to fraction form
    2,013,991.34/2,779,573.47 = 1,209,227.18/x
  3. Step 3: Cross multiply
    2,013,991.34x = 2,779,573.47 × 1,209,227.18
  4. Step 4: Simplify right side
    2,013,991.34x = 3,361,135,788,730.91
  5. Step 5: Solve for x
    x = 3,361,135,788,730.91/2,013,991.34
  6. Step 6: Final answer
    x = 1,668,892.87

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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.