Home / 4,686,619.20-7,029,928.80-1,492,068.30

Finding the Fourth Proportional to 4,686,619.20, 7,029,928.80 and 1,492,068.30

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Solution

The fourth proportional to 4,686,619.20, 7,029,928.80 and 1,492,068.30 is: 2,238,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686,619.20 : 7,029,928.80 = 1,492,068.30 : x
  2. Step 2: Convert to fraction form
    4,686,619.20/7,029,928.80 = 1,492,068.30/x
  3. Step 3: Cross multiply
    4,686,619.20x = 7,029,928.80 × 1,492,068.30
  4. Step 4: Simplify right side
    4,686,619.20x = 10,489,133,913,737.04
  5. Step 5: Solve for x
    x = 10,489,133,913,737.04/4,686,619.20
  6. Step 6: Final answer
    x = 2,238,102.45

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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.