Home / 1,817,064.81-2,507,378.11-1,071,874.52

Finding the Fourth Proportional to 1,817,064.81, 2,507,378.11 and 1,071,874.52

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Solution

The fourth proportional to 1,817,064.81, 2,507,378.11 and 1,071,874.52 is: 1,479,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,064.81 : 2,507,378.11 = 1,071,874.52 : x
  2. Step 2: Convert to fraction form
    1,817,064.81/2,507,378.11 = 1,071,874.52/x
  3. Step 3: Cross multiply
    1,817,064.81x = 2,507,378.11 × 1,071,874.52
  4. Step 4: Simplify right side
    1,817,064.81x = 2,687,594,705,315.60
  5. Step 5: Solve for x
    x = 2,687,594,705,315.60/1,817,064.81
  6. Step 6: Final answer
    x = 1,479,085.77

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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.