Home / 2,820,008.40-4,230,012.60-926,941.20

Finding the Fourth Proportional to 2,820,008.40, 4,230,012.60 and 926,941.20

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Solution

The fourth proportional to 2,820,008.40, 4,230,012.60 and 926,941.20 is: 1,390,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,008.40 : 4,230,012.60 = 926,941.20 : x
  2. Step 2: Convert to fraction form
    2,820,008.40/4,230,012.60 = 926,941.20/x
  3. Step 3: Cross multiply
    2,820,008.40x = 4,230,012.60 × 926,941.20
  4. Step 4: Simplify right side
    2,820,008.40x = 3,920,972,955,459.12
  5. Step 5: Solve for x
    x = 3,920,972,955,459.12/2,820,008.40
  6. Step 6: Final answer
    x = 1,390,411.80

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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.