Finding the Fourth Proportional to 4,746,599.28, 7,119,943.56 and 1,152,397.80
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Solution
The fourth proportional to 4,746,599.28, 7,119,943.56 and 1,152,397.80 is: 1,728,607.54
Step by Step Solution
- Step 1: Write the proportion equation
4,746,599.28 : 7,119,943.56 = 1,152,397.80 : x - Step 2: Convert to fraction form
4,746,599.28/7,119,943.56 = 1,152,397.80/x - Step 3: Cross multiply
4,746,599.28x = 7,119,943.56 × 1,152,397.80 - Step 4: Simplify right side
4,746,599.28x = 8,205,007,294,668.17 - Step 5: Solve for x
x = 8,205,007,294,668.17/4,746,599.28 - Step 6: Final answer
x = 1,728,607.54
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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.