Home / 1,826,210.25-2,520,178.79-1,021,394.25

Finding the Fourth Proportional to 1,826,210.25, 2,520,178.79 and 1,021,394.25

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Solution

The fourth proportional to 1,826,210.25, 2,520,178.79 and 1,021,394.25 is: 1,409,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,210.25 : 2,520,178.79 = 1,021,394.25 : x
  2. Step 2: Convert to fraction form
    1,826,210.25/2,520,178.79 = 1,021,394.25/x
  3. Step 3: Cross multiply
    1,826,210.25x = 2,520,178.79 × 1,021,394.25
  4. Step 4: Simplify right side
    1,826,210.25x = 2,574,096,119,970.99
  5. Step 5: Solve for x
    x = 2,574,096,119,970.99/1,826,210.25
  6. Step 6: Final answer
    x = 1,409,528.90

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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.