Finding the Fourth Proportional to 2,415,364.48, 3,618,322.80 and 1,989,511.84
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Solution
The fourth proportional to 2,415,364.48, 3,618,322.80 and 1,989,511.84 is: 2,980,376.71
Step by Step Solution
- Step 1: Write the proportion equation
2,415,364.48 : 3,618,322.80 = 1,989,511.84 : x - Step 2: Convert to fraction form
2,415,364.48/3,618,322.80 = 1,989,511.84/x - Step 3: Cross multiply
2,415,364.48x = 3,618,322.80 × 1,989,511.84 - Step 4: Simplify right side
2,415,364.48x = 7,198,696,051,541.95 - Step 5: Solve for x
x = 7,198,696,051,541.95/2,415,364.48 - Step 6: Final answer
x = 2,980,376.71
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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.