Finding the Fourth Proportional to 1,418,437.80, 2,127,851.10 and 471,709.80
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Solution
The fourth proportional to 1,418,437.80, 2,127,851.10 and 471,709.80 is: 707,629.35
Step by Step Solution
- Step 1: Write the proportion equation
1,418,437.80 : 2,127,851.10 = 471,709.80 : x - Step 2: Convert to fraction form
1,418,437.80/2,127,851.10 = 471,709.80/x - Step 3: Cross multiply
1,418,437.80x = 2,127,851.10 × 471,709.80 - Step 4: Simplify right side
1,418,437.80x = 1,003,728,216,810.78 - Step 5: Solve for x
x = 1,003,728,216,810.78/1,418,437.80 - Step 6: Final answer
x = 707,629.35
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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.