Home / 2,191,680.51-3,024,257.18-1,211,487.16

Finding the Fourth Proportional to 2,191,680.51, 3,024,257.18 and 1,211,487.16

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Solution

The fourth proportional to 2,191,680.51, 3,024,257.18 and 1,211,487.16 is: 1,671,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,680.51 : 3,024,257.18 = 1,211,487.16 : x
  2. Step 2: Convert to fraction form
    2,191,680.51/3,024,257.18 = 1,211,487.16/x
  3. Step 3: Cross multiply
    2,191,680.51x = 3,024,257.18 × 1,211,487.16
  4. Step 4: Simplify right side
    2,191,680.51x = 3,663,848,742,107.81
  5. Step 5: Solve for x
    x = 3,663,848,742,107.81/2,191,680.51
  6. Step 6: Final answer
    x = 1,671,707.50

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1.5x scale

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.