Home / 1,948,166.64-2,688,237.12-1,076,883.66

Finding the Fourth Proportional to 1,948,166.64, 2,688,237.12 and 1,076,883.66

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Solution

The fourth proportional to 1,948,166.64, 2,688,237.12 and 1,076,883.66 is: 1,485,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,166.64 : 2,688,237.12 = 1,076,883.66 : x
  2. Step 2: Convert to fraction form
    1,948,166.64/2,688,237.12 = 1,076,883.66/x
  3. Step 3: Cross multiply
    1,948,166.64x = 2,688,237.12 × 1,076,883.66
  4. Step 4: Simplify right side
    1,948,166.64x = 2,894,918,628,733.46
  5. Step 5: Solve for x
    x = 2,894,918,628,733.46/1,948,166.64
  6. Step 6: Final answer
    x = 1,485,970.74

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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.