Finding the Fourth Proportional to 3,420,815.01, 5,130,393.07 and 1,425,182.37
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Solution
The fourth proportional to 3,420,815.01, 5,130,393.07 and 1,425,182.37 is: 2,137,427.99
Step by Step Solution
- Step 1: Write the proportion equation
3,420,815.01 : 5,130,393.07 = 1,425,182.37 : x - Step 2: Convert to fraction form
3,420,815.01/5,130,393.07 = 1,425,182.37/x - Step 3: Cross multiply
3,420,815.01x = 5,130,393.07 × 1,425,182.37 - Step 4: Simplify right side
3,420,815.01x = 7,311,745,754,534.18 - Step 5: Solve for x
x = 7,311,745,754,534.18/3,420,815.01 - Step 6: Final answer
x = 2,137,427.99
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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.