Home / 2,703,421.70-4,057,428.90-1,107,130.40

Finding the Fourth Proportional to 2,703,421.70, 4,057,428.90 and 1,107,130.40

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Solution

The fourth proportional to 2,703,421.70, 4,057,428.90 and 1,107,130.40 is: 1,661,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703,421.70 : 4,057,428.90 = 1,107,130.40 : x
  2. Step 2: Convert to fraction form
    2,703,421.70/4,057,428.90 = 1,107,130.40/x
  3. Step 3: Cross multiply
    2,703,421.70x = 4,057,428.90 × 1,107,130.40
  4. Step 4: Simplify right side
    2,703,421.70x = 4,492,102,881,028.56
  5. Step 5: Solve for x
    x = 4,492,102,881,028.56/2,703,421.70
  6. Step 6: Final answer
    x = 1,661,636.02

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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.