Home / 5,315,133.40-7,973,967.21-1,720,901.41

Finding the Fourth Proportional to 5,315,133.40, 7,973,967.21 and 1,720,901.41

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Solution

The fourth proportional to 5,315,133.40, 7,973,967.21 and 1,720,901.41 is: 2,581,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,133.40 : 7,973,967.21 = 1,720,901.41 : x
  2. Step 2: Convert to fraction form
    5,315,133.40/7,973,967.21 = 1,720,901.41/x
  3. Step 3: Cross multiply
    5,315,133.40x = 7,973,967.21 × 1,720,901.41
  4. Step 4: Simplify right side
    5,315,133.40x = 13,722,411,388,594.47
  5. Step 5: Solve for x
    x = 13,722,411,388,594.47/5,315,133.40
  6. Step 6: Final answer
    x = 2,581,762.37

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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.