Home / 1,889,311.40-2,607,228.51-1,029,852.80

Finding the Fourth Proportional to 1,889,311.40, 2,607,228.51 and 1,029,852.80

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Solution

The fourth proportional to 1,889,311.40, 2,607,228.51 and 1,029,852.80 is: 1,421,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,311.40 : 2,607,228.51 = 1,029,852.80 : x
  2. Step 2: Convert to fraction form
    1,889,311.40/2,607,228.51 = 1,029,852.80/x
  3. Step 3: Cross multiply
    1,889,311.40x = 2,607,228.51 × 1,029,852.80
  4. Step 4: Simplify right side
    1,889,311.40x = 2,685,061,581,263.33
  5. Step 5: Solve for x
    x = 2,685,061,581,263.33/1,889,311.40
  6. Step 6: Final answer
    x = 1,421,185.30

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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.