Finding the Fourth Proportional to 5,275,197.60, 7,912,710.48 and 1,680,916.08
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Solution
The fourth proportional to 5,275,197.60, 7,912,710.48 and 1,680,916.08 is: 2,521,346.74
Step by Step Solution
- Step 1: Write the proportion equation
5,275,197.60 : 7,912,710.48 = 1,680,916.08 : x - Step 2: Convert to fraction form
5,275,197.60/7,912,710.48 = 1,680,916.08/x - Step 3: Cross multiply
5,275,197.60x = 7,912,710.48 × 1,680,916.08 - Step 4: Simplify right side
5,275,197.60x = 13,300,602,282,216.52 - Step 5: Solve for x
x = 13,300,602,282,216.52/5,275,197.60 - Step 6: Final answer
x = 2,521,346.74
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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.