Home / 3,550,132.80-5,326,511.40-1,421,744.40

Finding the Fourth Proportional to 3,550,132.80, 5,326,511.40 and 1,421,744.40

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Solution

The fourth proportional to 3,550,132.80, 5,326,511.40 and 1,421,744.40 is: 2,133,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,132.80 : 5,326,511.40 = 1,421,744.40 : x
  2. Step 2: Convert to fraction form
    3,550,132.80/5,326,511.40 = 1,421,744.40/x
  3. Step 3: Cross multiply
    3,550,132.80x = 5,326,511.40 × 1,421,744.40
  4. Step 4: Simplify right side
    3,550,132.80x = 7,572,937,754,486.16
  5. Step 5: Solve for x
    x = 7,572,937,754,486.16/3,550,132.80
  6. Step 6: Final answer
    x = 2,133,142.11

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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.