Home / 2,020,142.27-2,787,855.64-1,102,430.64

Finding the Fourth Proportional to 2,020,142.27, 2,787,855.64 and 1,102,430.64

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Solution

The fourth proportional to 2,020,142.27, 2,787,855.64 and 1,102,430.64 is: 1,521,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,142.27 : 2,787,855.64 = 1,102,430.64 : x
  2. Step 2: Convert to fraction form
    2,020,142.27/2,787,855.64 = 1,102,430.64/x
  3. Step 3: Cross multiply
    2,020,142.27x = 2,787,855.64 × 1,102,430.64
  4. Step 4: Simplify right side
    2,020,142.27x = 3,073,417,477,432.81
  5. Step 5: Solve for x
    x = 3,073,417,477,432.81/2,020,142.27
  6. Step 6: Final answer
    x = 1,521,386.65

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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.