Home / 1,539,153.66-2,124,016.38-860,090.16

Finding the Fourth Proportional to 1,539,153.66, 2,124,016.38 and 860,090.16

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Solution

The fourth proportional to 1,539,153.66, 2,124,016.38 and 860,090.16 is: 1,186,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,153.66 : 2,124,016.38 = 860,090.16 : x
  2. Step 2: Convert to fraction form
    1,539,153.66/2,124,016.38 = 860,090.16/x
  3. Step 3: Cross multiply
    1,539,153.66x = 2,124,016.38 × 860,090.16
  4. Step 4: Simplify right side
    1,539,153.66x = 1,826,845,588,116.82
  5. Step 5: Solve for x
    x = 1,826,845,588,116.82/1,539,153.66
  6. Step 6: Final answer
    x = 1,186,915.66

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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.