Home / 2,860,511.47-3,947,487.65-1,553,750.11

Finding the Fourth Proportional to 2,860,511.47, 3,947,487.65 and 1,553,750.11

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Solution

The fourth proportional to 2,860,511.47, 3,947,487.65 and 1,553,750.11 is: 2,144,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,511.47 : 3,947,487.65 = 1,553,750.11 : x
  2. Step 2: Convert to fraction form
    2,860,511.47/3,947,487.65 = 1,553,750.11/x
  3. Step 3: Cross multiply
    2,860,511.47x = 3,947,487.65 × 1,553,750.11
  4. Step 4: Simplify right side
    2,860,511.47x = 6,133,409,373,403.32
  5. Step 5: Solve for x
    x = 6,133,409,373,403.32/2,860,511.47
  6. Step 6: Final answer
    x = 2,144,165.28

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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.