Home / 1,868,955.22-2,579,159.27-1,009,515.45

Finding the Fourth Proportional to 1,868,955.22, 2,579,159.27 and 1,009,515.45

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Solution

The fourth proportional to 1,868,955.22, 2,579,159.27 and 1,009,515.45 is: 1,393,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,955.22 : 2,579,159.27 = 1,009,515.45 : x
  2. Step 2: Convert to fraction form
    1,868,955.22/2,579,159.27 = 1,009,515.45/x
  3. Step 3: Cross multiply
    1,868,955.22x = 2,579,159.27 × 1,009,515.45
  4. Step 4: Simplify right side
    1,868,955.22x = 2,603,701,143,271.36
  5. Step 5: Solve for x
    x = 2,603,701,143,271.36/1,868,955.22
  6. Step 6: Final answer
    x = 1,393,131.90

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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.