Finding the Fourth Proportional to 1,656,920.01, 2,286,282.88 and 931,724.49
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Solution
The fourth proportional to 1,656,920.01, 2,286,282.88 and 931,724.49 is: 1,285,629.81
Step by Step Solution
- Step 1: Write the proportion equation
1,656,920.01 : 2,286,282.88 = 931,724.49 : x - Step 2: Convert to fraction form
1,656,920.01/2,286,282.88 = 931,724.49/x - Step 3: Cross multiply
1,656,920.01x = 2,286,282.88 × 931,724.49 - Step 4: Simplify right side
1,656,920.01x = 2,130,185,750,363.73 - Step 5: Solve for x
x = 2,130,185,750,363.73/1,656,920.01 - Step 6: Final answer
x = 1,285,629.81
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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.