Home / 1,907,686.80-2,860,655.40-842,180.40

Finding the Fourth Proportional to 1,907,686.80, 2,860,655.40 and 842,180.40

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Solution

The fourth proportional to 1,907,686.80, 2,860,655.40 and 842,180.40 is: 1,262,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,686.80 : 2,860,655.40 = 842,180.40 : x
  2. Step 2: Convert to fraction form
    1,907,686.80/2,860,655.40 = 842,180.40/x
  3. Step 3: Cross multiply
    1,907,686.80x = 2,860,655.40 × 842,180.40
  4. Step 4: Simplify right side
    1,907,686.80x = 2,409,187,909,034.16
  5. Step 5: Solve for x
    x = 2,409,187,909,034.16/1,907,686.80
  6. Step 6: Final answer
    x = 1,262,884.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.