Home / 2,091,119.64-2,880,368.16-1,478,218.38

Finding the Fourth Proportional to 2,091,119.64, 2,880,368.16 and 1,478,218.38

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Solution

The fourth proportional to 2,091,119.64, 2,880,368.16 and 1,478,218.38 is: 2,036,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,119.64 : 2,880,368.16 = 1,478,218.38 : x
  2. Step 2: Convert to fraction form
    2,091,119.64/2,880,368.16 = 1,478,218.38/x
  3. Step 3: Cross multiply
    2,091,119.64x = 2,880,368.16 × 1,478,218.38
  4. Step 4: Simplify right side
    2,091,119.64x = 4,257,813,155,278.78
  5. Step 5: Solve for x
    x = 4,257,813,155,278.78/2,091,119.64
  6. Step 6: Final answer
    x = 2,036,140.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.