Home / 1,781,328.50-2,458,495.98-1,128,014.16

Finding the Fourth Proportional to 1,781,328.50, 2,458,495.98 and 1,128,014.16

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Solution

The fourth proportional to 1,781,328.50, 2,458,495.98 and 1,128,014.16 is: 1,556,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,328.50 : 2,458,495.98 = 1,128,014.16 : x
  2. Step 2: Convert to fraction form
    1,781,328.50/2,458,495.98 = 1,128,014.16/x
  3. Step 3: Cross multiply
    1,781,328.50x = 2,458,495.98 × 1,128,014.16
  4. Step 4: Simplify right side
    1,781,328.50x = 2,773,218,277,743.08
  5. Step 5: Solve for x
    x = 2,773,218,277,743.08/1,781,328.50
  6. Step 6: Final answer
    x = 1,556,825.86

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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.