Home / 1,848,140.40-2,771,011.80-782,893.20

Finding the Fourth Proportional to 1,848,140.40, 2,771,011.80 and 782,893.20

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Solution

The fourth proportional to 1,848,140.40, 2,771,011.80 and 782,893.20 is: 1,173,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,140.40 : 2,771,011.80 = 782,893.20 : x
  2. Step 2: Convert to fraction form
    1,848,140.40/2,771,011.80 = 782,893.20/x
  3. Step 3: Cross multiply
    1,848,140.40x = 2,771,011.80 × 782,893.20
  4. Step 4: Simplify right side
    1,848,140.40x = 2,169,406,295,339.76
  5. Step 5: Solve for x
    x = 2,169,406,295,339.76/1,848,140.40
  6. Step 6: Final answer
    x = 1,173,831.97

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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.