Home / 1,868,903.28-2,579,088.09-1,009,464.22

Finding the Fourth Proportional to 1,868,903.28, 2,579,088.09 and 1,009,464.22

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Solution

The fourth proportional to 1,868,903.28, 2,579,088.09 and 1,009,464.22 is: 1,393,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,903.28 : 2,579,088.09 = 1,009,464.22 : x
  2. Step 2: Convert to fraction form
    1,868,903.28/2,579,088.09 = 1,009,464.22/x
  3. Step 3: Cross multiply
    1,868,903.28x = 2,579,088.09 × 1,009,464.22
  4. Step 4: Simplify right side
    1,868,903.28x = 2,603,497,154,092.49
  5. Step 5: Solve for x
    x = 2,603,497,154,092.49/1,868,903.28
  6. Step 6: Final answer
    x = 1,393,061.47

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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.