Home / 3,937,984-5,434,420.16-2,127,148

Finding the Fourth Proportional to 3,937,984, 5,434,420.16 and 2,127,148

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Solution

The fourth proportional to 3,937,984, 5,434,420.16 and 2,127,148 is: 2,935,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,984 : 5,434,420.16 = 2,127,148 : x
  2. Step 2: Convert to fraction form
    3,937,984/5,434,420.16 = 2,127,148/x
  3. Step 3: Cross multiply
    3,937,984x = 5,434,420.16 × 2,127,148
  4. Step 4: Simplify right side
    3,937,984x = 11,559,815,974,503.68
  5. Step 5: Solve for x
    x = 11,559,815,974,503.68/3,937,984
  6. Step 6: Final answer
    x = 2,935,465.45

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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.