Home / 1,537,390.33-2,120,980.85-964,221.37

Finding the Fourth Proportional to 1,537,390.33, 2,120,980.85 and 964,221.37

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Solution

The fourth proportional to 1,537,390.33, 2,120,980.85 and 964,221.37 is: 1,330,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,390.33 : 2,120,980.85 = 964,221.37 : x
  2. Step 2: Convert to fraction form
    1,537,390.33/2,120,980.85 = 964,221.37/x
  3. Step 3: Cross multiply
    1,537,390.33x = 2,120,980.85 × 964,221.37
  4. Step 4: Simplify right side
    1,537,390.33x = 2,045,095,054,423.04
  5. Step 5: Solve for x
    x = 2,045,095,054,423.04/1,537,390.33
  6. Step 6: Final answer
    x = 1,330,238.01

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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.