Home / 1,938,034.92-2,674,488.20-1,078,798.16

Finding the Fourth Proportional to 1,938,034.92, 2,674,488.20 and 1,078,798.16

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Solution

The fourth proportional to 1,938,034.92, 2,674,488.20 and 1,078,798.16 is: 1,488,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,034.92 : 2,674,488.20 = 1,078,798.16 : x
  2. Step 2: Convert to fraction form
    1,938,034.92/2,674,488.20 = 1,078,798.16/x
  3. Step 3: Cross multiply
    1,938,034.92x = 2,674,488.20 × 1,078,798.16
  4. Step 4: Simplify right side
    1,938,034.92x = 2,885,232,949,101.71
  5. Step 5: Solve for x
    x = 2,885,232,949,101.71/1,938,034.92
  6. Step 6: Final answer
    x = 1,488,741.47

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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.