Home / 1,938,027.18-2,674,477.51-1,078,790.42

Finding the Fourth Proportional to 1,938,027.18, 2,674,477.51 and 1,078,790.42

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Solution

The fourth proportional to 1,938,027.18, 2,674,477.51 and 1,078,790.42 is: 1,488,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,027.18 : 2,674,477.51 = 1,078,790.42 : x
  2. Step 2: Convert to fraction form
    1,938,027.18/2,674,477.51 = 1,078,790.42/x
  3. Step 3: Cross multiply
    1,938,027.18x = 2,674,477.51 × 1,078,790.42
  4. Step 4: Simplify right side
    1,938,027.18x = 2,885,200,714,298.85
  5. Step 5: Solve for x
    x = 2,885,200,714,298.85/1,938,027.18
  6. Step 6: Final answer
    x = 1,488,730.78

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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.