Home / 3,078,137.80-4,617,206.70-1,398,521.80

Finding the Fourth Proportional to 3,078,137.80, 4,617,206.70 and 1,398,521.80

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Solution

The fourth proportional to 3,078,137.80, 4,617,206.70 and 1,398,521.80 is: 2,097,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,137.80 : 4,617,206.70 = 1,398,521.80 : x
  2. Step 2: Convert to fraction form
    3,078,137.80/4,617,206.70 = 1,398,521.80/x
  3. Step 3: Cross multiply
    3,078,137.80x = 4,617,206.70 × 1,398,521.80
  4. Step 4: Simplify right side
    3,078,137.80x = 6,457,264,225,056.06
  5. Step 5: Solve for x
    x = 6,457,264,225,056.06/3,078,137.80
  6. Step 6: Final answer
    x = 2,097,782.70

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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.