Home / 2,640,026.67-3,643,238.28-1,432,802.67

Finding the Fourth Proportional to 2,640,026.67, 3,643,238.28 and 1,432,802.67

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Solution

The fourth proportional to 2,640,026.67, 3,643,238.28 and 1,432,802.67 is: 1,977,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,026.67 : 3,643,238.28 = 1,432,802.67 : x
  2. Step 2: Convert to fraction form
    2,640,026.67/3,643,238.28 = 1,432,802.67/x
  3. Step 3: Cross multiply
    2,640,026.67x = 3,643,238.28 × 1,432,802.67
  4. Step 4: Simplify right side
    2,640,026.67x = 5,220,041,535,030.21
  5. Step 5: Solve for x
    x = 5,220,041,535,030.21/2,640,026.67
  6. Step 6: Final answer
    x = 1,977,268.49

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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.