Home / 1,938,670.08-2,908,044-518,723.88

Finding the Fourth Proportional to 1,938,670.08, 2,908,044 and 518,723.88

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Solution

The fourth proportional to 1,938,670.08, 2,908,044 and 518,723.88 is: 778,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,670.08 : 2,908,044 = 518,723.88 : x
  2. Step 2: Convert to fraction form
    1,938,670.08/2,908,044 = 518,723.88/x
  3. Step 3: Cross multiply
    1,938,670.08x = 2,908,044 × 518,723.88
  4. Step 4: Simplify right side
    1,938,670.08x = 1,508,471,866,890.72
  5. Step 5: Solve for x
    x = 1,508,471,866,890.72/1,938,670.08
  6. Step 6: Final answer
    x = 778,096.22

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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.