Home / 1,868,509.41-2,578,543.04-1,009,069.68

Finding the Fourth Proportional to 1,868,509.41, 2,578,543.04 and 1,009,069.68

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Solution

The fourth proportional to 1,868,509.41, 2,578,543.04 and 1,009,069.68 is: 1,392,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,509.41 : 2,578,543.04 = 1,009,069.68 : x
  2. Step 2: Convert to fraction form
    1,868,509.41/2,578,543.04 = 1,009,069.68/x
  3. Step 3: Cross multiply
    1,868,509.41x = 2,578,543.04 × 1,009,069.68
  4. Step 4: Simplify right side
    1,868,509.41x = 2,601,929,595,193.68
  5. Step 5: Solve for x
    x = 2,601,929,595,193.68/1,868,509.41
  6. Step 6: Final answer
    x = 1,392,516.18

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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.