Home / 1,869,013.50-2,579,239.59-1,009,573.74

Finding the Fourth Proportional to 1,869,013.50, 2,579,239.59 and 1,009,573.74

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Solution

The fourth proportional to 1,869,013.50, 2,579,239.59 and 1,009,573.74 is: 1,393,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,013.50 : 2,579,239.59 = 1,009,573.74 : x
  2. Step 2: Convert to fraction form
    1,869,013.50/2,579,239.59 = 1,009,573.74/x
  3. Step 3: Cross multiply
    1,869,013.50x = 2,579,239.59 × 1,009,573.74
  4. Step 4: Simplify right side
    1,869,013.50x = 2,603,932,559,232.37
  5. Step 5: Solve for x
    x = 2,603,932,559,232.37/1,869,013.50
  6. Step 6: Final answer
    x = 1,393,212.28

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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.