Home / 2,830,830.80-3,907,349.32-1,864,666.32

Finding the Fourth Proportional to 2,830,830.80, 3,907,349.32 and 1,864,666.32

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Solution

The fourth proportional to 2,830,830.80, 3,907,349.32 and 1,864,666.32 is: 2,573,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,830.80 : 3,907,349.32 = 1,864,666.32 : x
  2. Step 2: Convert to fraction form
    2,830,830.80/3,907,349.32 = 1,864,666.32/x
  3. Step 3: Cross multiply
    2,830,830.80x = 3,907,349.32 × 1,864,666.32
  4. Step 4: Simplify right side
    2,830,830.80x = 7,285,902,677,478.90
  5. Step 5: Solve for x
    x = 7,285,902,677,478.90/2,830,830.80
  6. Step 6: Final answer
    x = 2,573,768.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.