Home / 1,974,135.12-2,724,312.60-1,068,714.96

Finding the Fourth Proportional to 1,974,135.12, 2,724,312.60 and 1,068,714.96

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Solution

The fourth proportional to 1,974,135.12, 2,724,312.60 and 1,068,714.96 is: 1,474,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,135.12 : 2,724,312.60 = 1,068,714.96 : x
  2. Step 2: Convert to fraction form
    1,974,135.12/2,724,312.60 = 1,068,714.96/x
  3. Step 3: Cross multiply
    1,974,135.12x = 2,724,312.60 × 1,068,714.96
  4. Step 4: Simplify right side
    1,974,135.12x = 2,911,513,631,336.50
  5. Step 5: Solve for x
    x = 2,911,513,631,336.50/1,974,135.12
  6. Step 6: Final answer
    x = 1,474,829.97

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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.