Home / 1,948,168.40-2,688,239.52-1,076,885.39

Finding the Fourth Proportional to 1,948,168.40, 2,688,239.52 and 1,076,885.39

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Solution

The fourth proportional to 1,948,168.40, 2,688,239.52 and 1,076,885.39 is: 1,485,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,168.40 : 2,688,239.52 = 1,076,885.39 : x
  2. Step 2: Convert to fraction form
    1,948,168.40/2,688,239.52 = 1,076,885.39/x
  3. Step 3: Cross multiply
    1,948,168.40x = 2,688,239.52 × 1,076,885.39
  4. Step 4: Simplify right side
    1,948,168.40x = 2,894,925,863,908.61
  5. Step 5: Solve for x
    x = 2,894,925,863,908.61/1,948,168.40
  6. Step 6: Final answer
    x = 1,485,973.11

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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.