Home / 1,828,303.40-2,742,455.10-1,376,578.55

Finding the Fourth Proportional to 1,828,303.40, 2,742,455.10 and 1,376,578.55

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Solution

The fourth proportional to 1,828,303.40, 2,742,455.10 and 1,376,578.55 is: 2,064,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,303.40 : 2,742,455.10 = 1,376,578.55 : x
  2. Step 2: Convert to fraction form
    1,828,303.40/2,742,455.10 = 1,376,578.55/x
  3. Step 3: Cross multiply
    1,828,303.40x = 2,742,455.10 × 1,376,578.55
  4. Step 4: Simplify right side
    1,828,303.40x = 3,775,204,864,998.11
  5. Step 5: Solve for x
    x = 3,775,204,864,998.11/1,828,303.40
  6. Step 6: Final answer
    x = 2,064,867.83

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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.