Home / 2,927,479.75-4,039,835.26-1,620,790.03

Finding the Fourth Proportional to 2,927,479.75, 4,039,835.26 and 1,620,790.03

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Solution

The fourth proportional to 2,927,479.75, 4,039,835.26 and 1,620,790.03 is: 2,236,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,479.75 : 4,039,835.26 = 1,620,790.03 : x
  2. Step 2: Convert to fraction form
    2,927,479.75/4,039,835.26 = 1,620,790.03/x
  3. Step 3: Cross multiply
    2,927,479.75x = 4,039,835.26 × 1,620,790.03
  4. Step 4: Simplify right side
    2,927,479.75x = 6,547,724,712,250.46
  5. Step 5: Solve for x
    x = 6,547,724,712,250.46/2,927,479.75
  6. Step 6: Final answer
    x = 2,236,642.19

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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.