Home / 4,621,018.80-6,931,991.40-1,587,985.20

Finding the Fourth Proportional to 4,621,018.80, 6,931,991.40 and 1,587,985.20

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Solution

The fourth proportional to 4,621,018.80, 6,931,991.40 and 1,587,985.20 is: 2,382,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621,018.80 : 6,931,991.40 = 1,587,985.20 : x
  2. Step 2: Convert to fraction form
    4,621,018.80/6,931,991.40 = 1,587,985.20/x
  3. Step 3: Cross multiply
    4,621,018.80x = 6,931,991.40 × 1,587,985.20
  4. Step 4: Simplify right side
    4,621,018.80x = 11,007,899,749,727.28
  5. Step 5: Solve for x
    x = 11,007,899,749,727.28/4,621,018.80
  6. Step 6: Final answer
    x = 2,382,136.98

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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.