Home / 1,898,358.43-2,619,699.63-1,038,901.45

Finding the Fourth Proportional to 1,898,358.43, 2,619,699.63 and 1,038,901.45

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Solution

The fourth proportional to 1,898,358.43, 2,619,699.63 and 1,038,901.45 is: 1,433,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,358.43 : 2,619,699.63 = 1,038,901.45 : x
  2. Step 2: Convert to fraction form
    1,898,358.43/2,619,699.63 = 1,038,901.45/x
  3. Step 3: Cross multiply
    1,898,358.43x = 2,619,699.63 × 1,038,901.45
  4. Step 4: Simplify right side
    1,898,358.43x = 2,721,609,744,171.46
  5. Step 5: Solve for x
    x = 2,721,609,744,171.46/1,898,358.43
  6. Step 6: Final answer
    x = 1,433,664.84

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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.