Home / 1,855,125.61-2,560,343.81-1,039,384.53

Finding the Fourth Proportional to 1,855,125.61, 2,560,343.81 and 1,039,384.53

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Solution

The fourth proportional to 1,855,125.61, 2,560,343.81 and 1,039,384.53 is: 1,434,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,125.61 : 2,560,343.81 = 1,039,384.53 : x
  2. Step 2: Convert to fraction form
    1,855,125.61/2,560,343.81 = 1,039,384.53/x
  3. Step 3: Cross multiply
    1,855,125.61x = 2,560,343.81 × 1,039,384.53
  4. Step 4: Simplify right side
    1,855,125.61x = 2,661,181,742,398.34
  5. Step 5: Solve for x
    x = 2,661,181,742,398.34/1,855,125.61
  6. Step 6: Final answer
    x = 1,434,502.19

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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.