Finding the Fourth Proportional to 4,376,302.20, 6,559,963.86 and 1,679,901.30
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Solution
The fourth proportional to 4,376,302.20, 6,559,963.86 and 1,679,901.30 is: 2,518,128.62
Step by Step Solution
- Step 1: Write the proportion equation
4,376,302.20 : 6,559,963.86 = 1,679,901.30 : x - Step 2: Convert to fraction form
4,376,302.20/6,559,963.86 = 1,679,901.30/x - Step 3: Cross multiply
4,376,302.20x = 6,559,963.86 × 1,679,901.30 - Step 4: Simplify right side
4,376,302.20x = 11,020,091,816,367.02 - Step 5: Solve for x
x = 11,020,091,816,367.02/4,376,302.20 - Step 6: Final answer
x = 2,518,128.62
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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.