Home / 1,869,063.18-2,803,554.51-521,189.87

Finding the Fourth Proportional to 1,869,063.18, 2,803,554.51 and 521,189.87

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Solution

The fourth proportional to 1,869,063.18, 2,803,554.51 and 521,189.87 is: 781,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,063.18 : 2,803,554.51 = 521,189.87 : x
  2. Step 2: Convert to fraction form
    1,869,063.18/2,803,554.51 = 521,189.87/x
  3. Step 3: Cross multiply
    1,869,063.18x = 2,803,554.51 × 521,189.87
  4. Step 4: Simplify right side
    1,869,063.18x = 1,461,184,196,587.04
  5. Step 5: Solve for x
    x = 1,461,184,196,587.04/1,869,063.18
  6. Step 6: Final answer
    x = 781,773.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.