Home / 5,476,779.40-8,215,946.70-1,689,867.40

Finding the Fourth Proportional to 5,476,779.40, 8,215,946.70 and 1,689,867.40

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Solution

The fourth proportional to 5,476,779.40, 8,215,946.70 and 1,689,867.40 is: 2,535,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476,779.40 : 8,215,946.70 = 1,689,867.40 : x
  2. Step 2: Convert to fraction form
    5,476,779.40/8,215,946.70 = 1,689,867.40/x
  3. Step 3: Cross multiply
    5,476,779.40x = 8,215,946.70 × 1,689,867.40
  4. Step 4: Simplify right side
    5,476,779.40x = 13,883,860,488,467.58
  5. Step 5: Solve for x
    x = 13,883,860,488,467.58/5,476,779.40
  6. Step 6: Final answer
    x = 2,535,041.03

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1.5x scale

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.