Home / 1,861,939.68-2,569,477.80-1,046,143.32

Finding the Fourth Proportional to 1,861,939.68, 2,569,477.80 and 1,046,143.32

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Solution

The fourth proportional to 1,861,939.68, 2,569,477.80 and 1,046,143.32 is: 1,443,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,939.68 : 2,569,477.80 = 1,046,143.32 : x
  2. Step 2: Convert to fraction form
    1,861,939.68/2,569,477.80 = 1,046,143.32/x
  3. Step 3: Cross multiply
    1,861,939.68x = 2,569,477.80 × 1,046,143.32
  4. Step 4: Simplify right side
    1,861,939.68x = 2,688,042,036,358.30
  5. Step 5: Solve for x
    x = 2,688,042,036,358.30/1,861,939.68
  6. Step 6: Final answer
    x = 1,443,678.37

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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.