Home / 1,802,088.72-2,487,435.84-1,038,650.40

Finding the Fourth Proportional to 1,802,088.72, 2,487,435.84 and 1,038,650.40

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Solution

The fourth proportional to 1,802,088.72, 2,487,435.84 and 1,038,650.40 is: 1,433,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,088.72 : 2,487,435.84 = 1,038,650.40 : x
  2. Step 2: Convert to fraction form
    1,802,088.72/2,487,435.84 = 1,038,650.40/x
  3. Step 3: Cross multiply
    1,802,088.72x = 2,487,435.84 × 1,038,650.40
  4. Step 4: Simplify right side
    1,802,088.72x = 2,583,576,230,190.34
  5. Step 5: Solve for x
    x = 2,583,576,230,190.34/1,802,088.72
  6. Step 6: Final answer
    x = 1,433,656.51

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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.