Finding the Fourth Proportional to 5,021,833.14, 7,528,326.50 and 1,991,329.11
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Solution
The fourth proportional to 5,021,833.14, 7,528,326.50 and 1,991,329.11 is: 2,985,239.71
Step by Step Solution
- Step 1: Write the proportion equation
5,021,833.14 : 7,528,326.50 = 1,991,329.11 : x - Step 2: Convert to fraction form
5,021,833.14/7,528,326.50 = 1,991,329.11/x - Step 3: Cross multiply
5,021,833.14x = 7,528,326.50 × 1,991,329.11 - Step 4: Simplify right side
5,021,833.14x = 14,991,375,714,012.74 - Step 5: Solve for x
x = 14,991,375,714,012.74/5,021,833.14 - Step 6: Final answer
x = 2,985,239.71
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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.