Home / 2,869,915.92-4,303,378.40-1,071,320.16

Finding the Fourth Proportional to 2,869,915.92, 4,303,378.40 and 1,071,320.16

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Solution

The fourth proportional to 2,869,915.92, 4,303,378.40 and 1,071,320.16 is: 1,606,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,915.92 : 4,303,378.40 = 1,071,320.16 : x
  2. Step 2: Convert to fraction form
    2,869,915.92/4,303,378.40 = 1,071,320.16/x
  3. Step 3: Cross multiply
    2,869,915.92x = 4,303,378.40 × 1,071,320.16
  4. Step 4: Simplify right side
    2,869,915.92x = 4,610,296,036,028.54
  5. Step 5: Solve for x
    x = 4,610,296,036,028.54/2,869,915.92
  6. Step 6: Final answer
    x = 1,606,421.99

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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.