Finding the Fourth Proportional to 7,617,689.68, 11,426,601.50 and 1,937,920
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Solution
The fourth proportional to 7,617,689.68, 11,426,601.50 and 1,937,920 is: 2,906,897.04
Step by Step Solution
- Step 1: Write the proportion equation
7,617,689.68 : 11,426,601.50 = 1,937,920 : x - Step 2: Convert to fraction form
7,617,689.68/11,426,601.50 = 1,937,920/x - Step 3: Cross multiply
7,617,689.68x = 11,426,601.50 × 1,937,920 - Step 4: Simplify right side
7,617,689.68x = 22,143,839,578,880 - Step 5: Solve for x
x = 22,143,839,578,880/7,617,689.68 - Step 6: Final answer
x = 2,906,897.04
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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.