Home / 1,533,631.58-2,116,569.06-921,982.36

Finding the Fourth Proportional to 1,533,631.58, 2,116,569.06 and 921,982.36

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Solution

The fourth proportional to 1,533,631.58, 2,116,569.06 and 921,982.36 is: 1,272,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,631.58 : 2,116,569.06 = 921,982.36 : x
  2. Step 2: Convert to fraction form
    1,533,631.58/2,116,569.06 = 921,982.36/x
  3. Step 3: Cross multiply
    1,533,631.58x = 2,116,569.06 × 921,982.36
  4. Step 4: Simplify right side
    1,533,631.58x = 1,951,439,337,041.78
  5. Step 5: Solve for x
    x = 1,951,439,337,041.78/1,533,631.58
  6. Step 6: Final answer
    x = 1,272,430.33

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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.