Home / 1,898,157.45-2,619,457.04-1,038,717.48

Finding the Fourth Proportional to 1,898,157.45, 2,619,457.04 and 1,038,717.48

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Solution

The fourth proportional to 1,898,157.45, 2,619,457.04 and 1,038,717.48 is: 1,433,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,157.45 : 2,619,457.04 = 1,038,717.48 : x
  2. Step 2: Convert to fraction form
    1,898,157.45/2,619,457.04 = 1,038,717.48/x
  3. Step 3: Cross multiply
    1,898,157.45x = 2,619,457.04 × 1,038,717.48
  4. Step 4: Simplify right side
    1,898,157.45x = 2,720,875,818,153.85
  5. Step 5: Solve for x
    x = 2,720,875,818,153.85/1,898,157.45
  6. Step 6: Final answer
    x = 1,433,429.99

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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.