Home / 1,916,413.40-2,874,620.10-971,629.40

Finding the Fourth Proportional to 1,916,413.40, 2,874,620.10 and 971,629.40

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Solution

The fourth proportional to 1,916,413.40, 2,874,620.10 and 971,629.40 is: 1,457,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,413.40 : 2,874,620.10 = 971,629.40 : x
  2. Step 2: Convert to fraction form
    1,916,413.40/2,874,620.10 = 971,629.40/x
  3. Step 3: Cross multiply
    1,916,413.40x = 2,874,620.10 × 971,629.40
  4. Step 4: Simplify right side
    1,916,413.40x = 2,793,065,402,990.94
  5. Step 5: Solve for x
    x = 2,793,065,402,990.94/1,916,413.40
  6. Step 6: Final answer
    x = 1,457,444.10

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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.