Finding the Fourth Proportional to 4,276,689.84, 6,415,992 and 1,436,724.36
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Solution
The fourth proportional to 4,276,689.84, 6,415,992 and 1,436,724.36 is: 2,155,408.12
Step by Step Solution
- Step 1: Write the proportion equation
4,276,689.84 : 6,415,992 = 1,436,724.36 : x - Step 2: Convert to fraction form
4,276,689.84/6,415,992 = 1,436,724.36/x - Step 3: Cross multiply
4,276,689.84x = 6,415,992 × 1,436,724.36 - Step 4: Simplify right side
4,276,689.84x = 9,218,011,999,965.12 - Step 5: Solve for x
x = 9,218,011,999,965.12/4,276,689.84 - Step 6: Final answer
x = 2,155,408.12
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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.