Home / 1,859,631.81-2,565,967.57-1,043,869.87

Finding the Fourth Proportional to 1,859,631.81, 2,565,967.57 and 1,043,869.87

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Solution

The fourth proportional to 1,859,631.81, 2,565,967.57 and 1,043,869.87 is: 1,440,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,631.81 : 2,565,967.57 = 1,043,869.87 : x
  2. Step 2: Convert to fraction form
    1,859,631.81/2,565,967.57 = 1,043,869.87/x
  3. Step 3: Cross multiply
    1,859,631.81x = 2,565,967.57 × 1,043,869.87
  4. Step 4: Simplify right side
    1,859,631.81x = 2,678,536,233,720.12
  5. Step 5: Solve for x
    x = 2,678,536,233,720.12/1,859,631.81
  6. Step 6: Final answer
    x = 1,440,358.37

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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.