Finding the Fourth Proportional to 5,274,986.96, 7,912,393.98 and 1,680,705.08
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Solution
The fourth proportional to 5,274,986.96, 7,912,393.98 and 1,680,705.08 is: 2,521,030.07
Step by Step Solution
- Step 1: Write the proportion equation
5,274,986.96 : 7,912,393.98 = 1,680,705.08 : x - Step 2: Convert to fraction form
5,274,986.96/7,912,393.98 = 1,680,705.08/x - Step 3: Cross multiply
5,274,986.96x = 7,912,393.98 × 1,680,705.08 - Step 4: Simplify right side
5,274,986.96x = 13,298,400,748,743.89 - Step 5: Solve for x
x = 13,298,400,748,743.89/5,274,986.96 - Step 6: Final answer
x = 2,521,030.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.