Finding the Fourth Proportional to 4,989,922.12, 7,485,690.30 and 1,955,641.84
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Solution
The fourth proportional to 4,989,922.12, 7,485,690.30 and 1,955,641.84 is: 2,933,779.09
Step by Step Solution
- Step 1: Write the proportion equation
4,989,922.12 : 7,485,690.30 = 1,955,641.84 : x - Step 2: Convert to fraction form
4,989,922.12/7,485,690.30 = 1,955,641.84/x - Step 3: Cross multiply
4,989,922.12x = 7,485,690.30 × 1,955,641.84 - Step 4: Simplify right side
4,989,922.12x = 14,639,329,151,962.15 - Step 5: Solve for x
x = 14,639,329,151,962.15/4,989,922.12 - Step 6: Final answer
x = 2,933,779.09
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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.