Home / 5,250,316.21-7,869,779.91-2,688,017.29

Finding the Fourth Proportional to 5,250,316.21, 7,869,779.91 and 2,688,017.29

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Solution

The fourth proportional to 5,250,316.21, 7,869,779.91 and 2,688,017.29 is: 4,029,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,316.21 : 7,869,779.91 = 2,688,017.29 : x
  2. Step 2: Convert to fraction form
    5,250,316.21/7,869,779.91 = 2,688,017.29/x
  3. Step 3: Cross multiply
    5,250,316.21x = 7,869,779.91 × 2,688,017.29
  4. Step 4: Simplify right side
    5,250,316.21x = 21,154,104,446,900.20
  5. Step 5: Solve for x
    x = 21,154,104,446,900.20/5,250,316.21
  6. Step 6: Final answer
    x = 4,029,110.55

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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.