Home / 5,390,458.70-8,085,688.05-2,556,106.70

Finding the Fourth Proportional to 5,390,458.70, 8,085,688.05 and 2,556,106.70

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Solution

The fourth proportional to 5,390,458.70, 8,085,688.05 and 2,556,106.70 is: 3,834,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,458.70 : 8,085,688.05 = 2,556,106.70 : x
  2. Step 2: Convert to fraction form
    5,390,458.70/8,085,688.05 = 2,556,106.70/x
  3. Step 3: Cross multiply
    5,390,458.70x = 8,085,688.05 × 2,556,106.70
  4. Step 4: Simplify right side
    5,390,458.70x = 20,667,881,398,714.94
  5. Step 5: Solve for x
    x = 20,667,881,398,714.94/5,390,458.70
  6. Step 6: Final answer
    x = 3,834,160.05

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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.