Home / 1,910,530.62-2,636,436.96-1,051,068.78

Finding the Fourth Proportional to 1,910,530.62, 2,636,436.96 and 1,051,068.78

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Solution

The fourth proportional to 1,910,530.62, 2,636,436.96 and 1,051,068.78 is: 1,450,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,530.62 : 2,636,436.96 = 1,051,068.78 : x
  2. Step 2: Convert to fraction form
    1,910,530.62/2,636,436.96 = 1,051,068.78/x
  3. Step 3: Cross multiply
    1,910,530.62x = 2,636,436.96 × 1,051,068.78
  4. Step 4: Simplify right side
    1,910,530.62x = 2,771,076,579,094.11
  5. Step 5: Solve for x
    x = 2,771,076,579,094.11/1,910,530.62
  6. Step 6: Final answer
    x = 1,450,422.49

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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.