Home / 1,555,809.80-2,333,714.70-1,461,331.40

Finding the Fourth Proportional to 1,555,809.80, 2,333,714.70 and 1,461,331.40

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Solution

The fourth proportional to 1,555,809.80, 2,333,714.70 and 1,461,331.40 is: 2,191,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,809.80 : 2,333,714.70 = 1,461,331.40 : x
  2. Step 2: Convert to fraction form
    1,555,809.80/2,333,714.70 = 1,461,331.40/x
  3. Step 3: Cross multiply
    1,555,809.80x = 2,333,714.70 × 1,461,331.40
  4. Step 4: Simplify right side
    1,555,809.80x = 3,410,330,569,751.58
  5. Step 5: Solve for x
    x = 3,410,330,569,751.58/1,555,809.80
  6. Step 6: Final answer
    x = 2,191,997.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.