Home / 1,863,830.43-2,572,952.58-1,405,131.48

Finding the Fourth Proportional to 1,863,830.43, 2,572,952.58 and 1,405,131.48

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Solution

The fourth proportional to 1,863,830.43, 2,572,952.58 and 1,405,131.48 is: 1,939,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,830.43 : 2,572,952.58 = 1,405,131.48 : x
  2. Step 2: Convert to fraction form
    1,863,830.43/2,572,952.58 = 1,405,131.48/x
  3. Step 3: Cross multiply
    1,863,830.43x = 2,572,952.58 × 1,405,131.48
  4. Step 4: Simplify right side
    1,863,830.43x = 3,615,336,666,705.22
  5. Step 5: Solve for x
    x = 3,615,336,666,705.22/1,863,830.43
  6. Step 6: Final answer
    x = 1,939,734.76

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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.