Home / 1,903,938.89-2,854,413.02-1,303,078.40

Finding the Fourth Proportional to 1,903,938.89, 2,854,413.02 and 1,303,078.40

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Solution

The fourth proportional to 1,903,938.89, 2,854,413.02 and 1,303,078.40 is: 1,953,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,938.89 : 2,854,413.02 = 1,303,078.40 : x
  2. Step 2: Convert to fraction form
    1,903,938.89/2,854,413.02 = 1,303,078.40/x
  3. Step 3: Cross multiply
    1,903,938.89x = 2,854,413.02 × 1,303,078.40
  4. Step 4: Simplify right side
    1,903,938.89x = 3,719,523,940,026.40
  5. Step 5: Solve for x
    x = 3,719,523,940,026.40/1,903,938.89
  6. Step 6: Final answer
    x = 1,953,594.19

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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.