Home / 2,688,828.40-4,033,145.40-1,091,346.40

Finding the Fourth Proportional to 2,688,828.40, 4,033,145.40 and 1,091,346.40

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Solution

The fourth proportional to 2,688,828.40, 4,033,145.40 and 1,091,346.40 is: 1,636,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,828.40 : 4,033,145.40 = 1,091,346.40 : x
  2. Step 2: Convert to fraction form
    2,688,828.40/4,033,145.40 = 1,091,346.40/x
  3. Step 3: Cross multiply
    2,688,828.40x = 4,033,145.40 × 1,091,346.40
  4. Step 4: Simplify right side
    2,688,828.40x = 4,401,558,712,966.56
  5. Step 5: Solve for x
    x = 4,401,558,712,966.56/2,688,828.40
  6. Step 6: Final answer
    x = 1,636,980.15

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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.