Home / 1,742,746.15-2,611,892.49-1,405,945.63

Finding the Fourth Proportional to 1,742,746.15, 2,611,892.49 and 1,405,945.63

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Solution

The fourth proportional to 1,742,746.15, 2,611,892.49 and 1,405,945.63 is: 2,107,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,746.15 : 2,611,892.49 = 1,405,945.63 : x
  2. Step 2: Convert to fraction form
    1,742,746.15/2,611,892.49 = 1,405,945.63/x
  3. Step 3: Cross multiply
    1,742,746.15x = 2,611,892.49 × 1,405,945.63
  4. Step 4: Simplify right side
    1,742,746.15x = 3,672,178,832,345.32
  5. Step 5: Solve for x
    x = 3,672,178,832,345.32/1,742,746.15
  6. Step 6: Final answer
    x = 2,107,122.05

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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.