Home / 1,945,801.17-2,685,001.93-1,129,845.80

Finding the Fourth Proportional to 1,945,801.17, 2,685,001.93 and 1,129,845.80

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Solution

The fourth proportional to 1,945,801.17, 2,685,001.93 and 1,129,845.80 is: 1,559,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,801.17 : 2,685,001.93 = 1,129,845.80 : x
  2. Step 2: Convert to fraction form
    1,945,801.17/2,685,001.93 = 1,129,845.80/x
  3. Step 3: Cross multiply
    1,945,801.17x = 2,685,001.93 × 1,129,845.80
  4. Step 4: Simplify right side
    1,945,801.17x = 3,033,638,153,602.39
  5. Step 5: Solve for x
    x = 3,033,638,153,602.39/1,945,801.17
  6. Step 6: Final answer
    x = 1,559,068.93

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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.