Home / 4,806,789.72-7,210,505.40-1,690,467.05

Finding the Fourth Proportional to 4,806,789.72, 7,210,505.40 and 1,690,467.05

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Solution

The fourth proportional to 4,806,789.72, 7,210,505.40 and 1,690,467.05 is: 2,535,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806,789.72 : 7,210,505.40 = 1,690,467.05 : x
  2. Step 2: Convert to fraction form
    4,806,789.72/7,210,505.40 = 1,690,467.05/x
  3. Step 3: Cross multiply
    4,806,789.72x = 7,210,505.40 × 1,690,467.05
  4. Step 4: Simplify right side
    4,806,789.72x = 12,189,121,792,547.07
  5. Step 5: Solve for x
    x = 12,189,121,792,547.07/4,806,789.72
  6. Step 6: Final answer
    x = 2,535,813.40

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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.