Finding the Fourth Proportional to 2,091,948.99, 3,137,918.34 and 1,180,718.37
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Solution
The fourth proportional to 2,091,948.99, 3,137,918.34 and 1,180,718.37 is: 1,771,074.65
Step by Step Solution
- Step 1: Write the proportion equation
2,091,948.99 : 3,137,918.34 = 1,180,718.37 : x - Step 2: Convert to fraction form
2,091,948.99/3,137,918.34 = 1,180,718.37/x - Step 3: Cross multiply
2,091,948.99x = 3,137,918.34 × 1,180,718.37 - Step 4: Simplify right side
2,091,948.99x = 3,704,997,827,597.91 - Step 5: Solve for x
x = 3,704,997,827,597.91/2,091,948.99 - Step 6: Final answer
x = 1,771,074.65
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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.