Home / 3,534,172.32-4,877,029.74-2,159,815.32

Finding the Fourth Proportional to 3,534,172.32, 4,877,029.74 and 2,159,815.32

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Solution

The fourth proportional to 3,534,172.32, 4,877,029.74 and 2,159,815.32 is: 2,980,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534,172.32 : 4,877,029.74 = 2,159,815.32 : x
  2. Step 2: Convert to fraction form
    3,534,172.32/4,877,029.74 = 2,159,815.32/x
  3. Step 3: Cross multiply
    3,534,172.32x = 4,877,029.74 × 2,159,815.32
  4. Step 4: Simplify right side
    3,534,172.32x = 10,533,483,548,547.62
  5. Step 5: Solve for x
    x = 10,533,483,548,547.62/3,534,172.32
  6. Step 6: Final answer
    x = 2,980,466.88

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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.