Finding the Fourth Proportional to 3,677,458.84, 5,516,986.25 and 1,118,607.28
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Solution
The fourth proportional to 3,677,458.84, 5,516,986.25 and 1,118,607.28 is: 1,678,153.65
Step by Step Solution
- Step 1: Write the proportion equation
3,677,458.84 : 5,516,986.25 = 1,118,607.28 : x - Step 2: Convert to fraction form
3,677,458.84/5,516,986.25 = 1,118,607.28/x - Step 3: Cross multiply
3,677,458.84x = 5,516,986.25 × 1,118,607.28 - Step 4: Simplify right side
3,677,458.84x = 6,171,340,963,524.40 - Step 5: Solve for x
x = 6,171,340,963,524.40/3,677,458.84 - Step 6: Final answer
x = 1,678,153.65
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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.