Finding the Fourth Proportional to 5,163,569.84, 7,125,583.05 and 2,808,689.64
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Solution
The fourth proportional to 5,163,569.84, 7,125,583.05 and 2,808,689.64 is: 3,875,913.74
Step by Step Solution
- Step 1: Write the proportion equation
5,163,569.84 : 7,125,583.05 = 2,808,689.64 : x - Step 2: Convert to fraction form
5,163,569.84/7,125,583.05 = 2,808,689.64/x - Step 3: Cross multiply
5,163,569.84x = 7,125,583.05 × 2,808,689.64 - Step 4: Simplify right side
5,163,569.84x = 20,013,551,291,494.60 - Step 5: Solve for x
x = 20,013,551,291,494.60/5,163,569.84 - Step 6: Final answer
x = 3,875,913.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.