Home / 2,157,477.10-2,978,437.81-1,576,047.44

Finding the Fourth Proportional to 2,157,477.10, 2,978,437.81 and 1,576,047.44

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Solution

The fourth proportional to 2,157,477.10, 2,978,437.81 and 1,576,047.44 is: 2,175,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,477.10 : 2,978,437.81 = 1,576,047.44 : x
  2. Step 2: Convert to fraction form
    2,157,477.10/2,978,437.81 = 1,576,047.44/x
  3. Step 3: Cross multiply
    2,157,477.10x = 2,978,437.81 × 1,576,047.44
  4. Step 4: Simplify right side
    2,157,477.10x = 4,694,159,285,649.71
  5. Step 5: Solve for x
    x = 4,694,159,285,649.71/2,157,477.10
  6. Step 6: Final answer
    x = 2,175,763.20

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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.