Home / 1,927,490.10-2,891,016.42-507,657.30

Finding the Fourth Proportional to 1,927,490.10, 2,891,016.42 and 507,657.30

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Solution

The fourth proportional to 1,927,490.10, 2,891,016.42 and 507,657.30 is: 761,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,490.10 : 2,891,016.42 = 507,657.30 : x
  2. Step 2: Convert to fraction form
    1,927,490.10/2,891,016.42 = 507,657.30/x
  3. Step 3: Cross multiply
    1,927,490.10x = 2,891,016.42 × 507,657.30
  4. Step 4: Simplify right side
    1,927,490.10x = 1,467,645,590,032.87
  5. Step 5: Solve for x
    x = 1,467,645,590,032.87/1,927,490.10
  6. Step 6: Final answer
    x = 761,428.34

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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.