Home / 1,533,637.58-2,116,577.34-921,988.35

Finding the Fourth Proportional to 1,533,637.58, 2,116,577.34 and 921,988.35

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Solution

The fourth proportional to 1,533,637.58, 2,116,577.34 and 921,988.35 is: 1,272,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,637.58 : 2,116,577.34 = 921,988.35 : x
  2. Step 2: Convert to fraction form
    1,533,637.58/2,116,577.34 = 921,988.35/x
  3. Step 3: Cross multiply
    1,533,637.58x = 2,116,577.34 × 921,988.35
  4. Step 4: Simplify right side
    1,533,637.58x = 1,951,459,649,353.99
  5. Step 5: Solve for x
    x = 1,951,459,649,353.99/1,533,637.58
  6. Step 6: Final answer
    x = 1,272,438.60

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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.