Home / 1,772,341.40-2,661,719.70-1,551,891.80

Finding the Fourth Proportional to 1,772,341.40, 2,661,719.70 and 1,551,891.80

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Solution

The fourth proportional to 1,772,341.40, 2,661,719.70 and 1,551,891.80 is: 2,330,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,341.40 : 2,661,719.70 = 1,551,891.80 : x
  2. Step 2: Convert to fraction form
    1,772,341.40/2,661,719.70 = 1,551,891.80/x
  3. Step 3: Cross multiply
    1,772,341.40x = 2,661,719.70 × 1,551,891.80
  4. Step 4: Simplify right side
    1,772,341.40x = 4,130,700,976,328.46
  5. Step 5: Solve for x
    x = 4,130,700,976,328.46/1,772,341.40
  6. Step 6: Final answer
    x = 2,330,646.33

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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.