Home / 2,897,111.40-4,345,667.10-1,819,357.80

Finding the Fourth Proportional to 2,897,111.40, 4,345,667.10 and 1,819,357.80

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Solution

The fourth proportional to 2,897,111.40, 4,345,667.10 and 1,819,357.80 is: 2,729,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,111.40 : 4,345,667.10 = 1,819,357.80 : x
  2. Step 2: Convert to fraction form
    2,897,111.40/4,345,667.10 = 1,819,357.80/x
  3. Step 3: Cross multiply
    2,897,111.40x = 4,345,667.10 × 1,819,357.80
  4. Step 4: Simplify right side
    2,897,111.40x = 7,906,323,334,588.38
  5. Step 5: Solve for x
    x = 7,906,323,334,588.38/2,897,111.40
  6. Step 6: Final answer
    x = 2,729,036.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.