Home / 1,934,145.60-2,901,218.40-1,920,148.80

Finding the Fourth Proportional to 1,934,145.60, 2,901,218.40 and 1,920,148.80

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Solution

The fourth proportional to 1,934,145.60, 2,901,218.40 and 1,920,148.80 is: 2,880,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,145.60 : 2,901,218.40 = 1,920,148.80 : x
  2. Step 2: Convert to fraction form
    1,934,145.60/2,901,218.40 = 1,920,148.80/x
  3. Step 3: Cross multiply
    1,934,145.60x = 2,901,218.40 × 1,920,148.80
  4. Step 4: Simplify right side
    1,934,145.60x = 5,570,771,029,297.92
  5. Step 5: Solve for x
    x = 5,570,771,029,297.92/1,934,145.60
  6. Step 6: Final answer
    x = 2,880,223.20

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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.