Home / 5,428,017.60-8,145,136.80-2,064,638.40

Finding the Fourth Proportional to 5,428,017.60, 8,145,136.80 and 2,064,638.40

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Solution

The fourth proportional to 5,428,017.60, 8,145,136.80 and 2,064,638.40 is: 3,098,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,017.60 : 8,145,136.80 = 2,064,638.40 : x
  2. Step 2: Convert to fraction form
    5,428,017.60/8,145,136.80 = 2,064,638.40/x
  3. Step 3: Cross multiply
    5,428,017.60x = 8,145,136.80 × 2,064,638.40
  4. Step 4: Simplify right side
    5,428,017.60x = 16,816,762,210,533.12
  5. Step 5: Solve for x
    x = 16,816,762,210,533.12/5,428,017.60
  6. Step 6: Final answer
    x = 3,098,140.69

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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.