Home / 1,869,784.96-2,580,523.60-1,042,988.76

Finding the Fourth Proportional to 1,869,784.96, 2,580,523.60 and 1,042,988.76

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Solution

The fourth proportional to 1,869,784.96, 2,580,523.60 and 1,042,988.76 is: 1,439,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,784.96 : 2,580,523.60 = 1,042,988.76 : x
  2. Step 2: Convert to fraction form
    1,869,784.96/2,580,523.60 = 1,042,988.76/x
  3. Step 3: Cross multiply
    1,869,784.96x = 2,580,523.60 × 1,042,988.76
  4. Step 4: Simplify right side
    1,869,784.96x = 2,691,457,109,714.74
  5. Step 5: Solve for x
    x = 2,691,457,109,714.74/1,869,784.96
  6. Step 6: Final answer
    x = 1,439,447.41

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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.