Home / 1,828,306.40-2,742,459.60-1,376,581.55

Finding the Fourth Proportional to 1,828,306.40, 2,742,459.60 and 1,376,581.55

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Solution

The fourth proportional to 1,828,306.40, 2,742,459.60 and 1,376,581.55 is: 2,064,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,306.40 : 2,742,459.60 = 1,376,581.55 : x
  2. Step 2: Convert to fraction form
    1,828,306.40/2,742,459.60 = 1,376,581.55/x
  3. Step 3: Cross multiply
    1,828,306.40x = 2,742,459.60 × 1,376,581.55
  4. Step 4: Simplify right side
    1,828,306.40x = 3,775,219,286,980.38
  5. Step 5: Solve for x
    x = 3,775,219,286,980.38/1,828,306.40
  6. Step 6: Final answer
    x = 2,064,872.33

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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.