Home / 1,782,561.12-2,459,938.40-1,018,612.86

Finding the Fourth Proportional to 1,782,561.12, 2,459,938.40 and 1,018,612.86

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Solution

The fourth proportional to 1,782,561.12, 2,459,938.40 and 1,018,612.86 is: 1,405,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,561.12 : 2,459,938.40 = 1,018,612.86 : x
  2. Step 2: Convert to fraction form
    1,782,561.12/2,459,938.40 = 1,018,612.86/x
  3. Step 3: Cross multiply
    1,782,561.12x = 2,459,938.40 × 1,018,612.86
  4. Step 4: Simplify right side
    1,782,561.12x = 2,505,724,889,047.82
  5. Step 5: Solve for x
    x = 2,505,724,889,047.82/1,782,561.12
  6. Step 6: Final answer
    x = 1,405,688.06

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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.