Home / 1,868,955.90-2,579,159.24-1,009,516.16

Finding the Fourth Proportional to 1,868,955.90, 2,579,159.24 and 1,009,516.16

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Solution

The fourth proportional to 1,868,955.90, 2,579,159.24 and 1,009,516.16 is: 1,393,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,955.90 : 2,579,159.24 = 1,009,516.16 : x
  2. Step 2: Convert to fraction form
    1,868,955.90/2,579,159.24 = 1,009,516.16/x
  3. Step 3: Cross multiply
    1,868,955.90x = 2,579,159.24 × 1,009,516.16
  4. Step 4: Simplify right side
    1,868,955.90x = 2,603,702,914,049.94
  5. Step 5: Solve for x
    x = 2,603,702,914,049.94/1,868,955.90
  6. Step 6: Final answer
    x = 1,393,132.34

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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.