Finding the Fourth Proportional to 4,772,472.84, 7,158,724.04 and 1,178,240.20
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Solution
The fourth proportional to 4,772,472.84, 7,158,724.04 and 1,178,240.20 is: 1,767,363.95
Step by Step Solution
- Step 1: Write the proportion equation
4,772,472.84 : 7,158,724.04 = 1,178,240.20 : x - Step 2: Convert to fraction form
4,772,472.84/7,158,724.04 = 1,178,240.20/x - Step 3: Cross multiply
4,772,472.84x = 7,158,724.04 × 1,178,240.20 - Step 4: Simplify right side
4,772,472.84x = 8,434,696,429,683.20 - Step 5: Solve for x
x = 8,434,696,429,683.20/4,772,472.84 - Step 6: Final answer
x = 1,767,363.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.