Home / 5,070,975.20-6,997,905.60-2,779,130.42

Finding the Fourth Proportional to 5,070,975.20, 6,997,905.60 and 2,779,130.42

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Solution

The fourth proportional to 5,070,975.20, 6,997,905.60 and 2,779,130.42 is: 3,835,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070,975.20 : 6,997,905.60 = 2,779,130.42 : x
  2. Step 2: Convert to fraction form
    5,070,975.20/6,997,905.60 = 2,779,130.42/x
  3. Step 3: Cross multiply
    5,070,975.20x = 6,997,905.60 × 2,779,130.42
  4. Step 4: Simplify right side
    5,070,975.20x = 19,448,092,329,248.35
  5. Step 5: Solve for x
    x = 19,448,092,329,248.35/5,070,975.20
  6. Step 6: Final answer
    x = 3,835,177.96

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1.5x scale

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.