Finding the Fourth Proportional to 1,325,017.52, 1,829,660.87 and 1,282,170.09
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Solution
The fourth proportional to 1,325,017.52, 1,829,660.87 and 1,282,170.09 is: 1,770,494.65
Step by Step Solution
- Step 1: Write the proportion equation
1,325,017.52 : 1,829,660.87 = 1,282,170.09 : x - Step 2: Convert to fraction form
1,325,017.52/1,829,660.87 = 1,282,170.09/x - Step 3: Cross multiply
1,325,017.52x = 1,829,660.87 × 1,282,170.09 - Step 4: Simplify right side
1,325,017.52x = 2,345,936,426,798.22 - Step 5: Solve for x
x = 2,345,936,426,798.22/1,325,017.52 - Step 6: Final answer
x = 1,770,494.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.