Home / 1,742,666.40-2,611,772.96-1,405,865.67

Finding the Fourth Proportional to 1,742,666.40, 2,611,772.96 and 1,405,865.67

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Solution

The fourth proportional to 1,742,666.40, 2,611,772.96 and 1,405,865.67 is: 2,107,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,666.40 : 2,611,772.96 = 1,405,865.67 : x
  2. Step 2: Convert to fraction form
    1,742,666.40/2,611,772.96 = 1,405,865.67/x
  3. Step 3: Cross multiply
    1,742,666.40x = 2,611,772.96 × 1,405,865.67
  4. Step 4: Simplify right side
    1,742,666.40x = 3,671,801,933,382.80
  5. Step 5: Solve for x
    x = 3,671,801,933,382.80/1,742,666.40
  6. Step 6: Final answer
    x = 2,107,002.20

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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.