Home / 1,742,667.90-2,611,775.21-1,405,867.17

Finding the Fourth Proportional to 1,742,667.90, 2,611,775.21 and 1,405,867.17

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Solution

The fourth proportional to 1,742,667.90, 2,611,775.21 and 1,405,867.17 is: 2,107,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,667.90 : 2,611,775.21 = 1,405,867.17 : x
  2. Step 2: Convert to fraction form
    1,742,667.90/2,611,775.21 = 1,405,867.17/x
  3. Step 3: Cross multiply
    1,742,667.90x = 2,611,775.21 × 1,405,867.17
  4. Step 4: Simplify right side
    1,742,667.90x = 3,671,809,016,129.52
  5. Step 5: Solve for x
    x = 3,671,809,016,129.52/1,742,667.90
  6. Step 6: Final answer
    x = 2,107,004.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.