Home / 1,974,263.88-2,724,547.20-1,211,088.36

Finding the Fourth Proportional to 1,974,263.88, 2,724,547.20 and 1,211,088.36

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Solution

The fourth proportional to 1,974,263.88, 2,724,547.20 and 1,211,088.36 is: 1,671,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,263.88 : 2,724,547.20 = 1,211,088.36 : x
  2. Step 2: Convert to fraction form
    1,974,263.88/2,724,547.20 = 1,211,088.36/x
  3. Step 3: Cross multiply
    1,974,263.88x = 2,724,547.20 × 1,211,088.36
  4. Step 4: Simplify right side
    1,974,263.88x = 3,299,667,400,190.59
  5. Step 5: Solve for x
    x = 3,299,667,400,190.59/1,974,263.88
  6. Step 6: Final answer
    x = 1,671,340.61

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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.