Finding the Fourth Proportional to 4,257,710.70, 6,386,566.05 and 2,746,056.30
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Solution
The fourth proportional to 4,257,710.70, 6,386,566.05 and 2,746,056.30 is: 4,119,084.45
Step by Step Solution
- Step 1: Write the proportion equation
4,257,710.70 : 6,386,566.05 = 2,746,056.30 : x - Step 2: Convert to fraction form
4,257,710.70/6,386,566.05 = 2,746,056.30/x - Step 3: Cross multiply
4,257,710.70x = 6,386,566.05 × 2,746,056.30 - Step 4: Simplify right side
4,257,710.70x = 17,537,869,936,968.61 - Step 5: Solve for x
x = 17,537,869,936,968.61/4,257,710.70 - Step 6: Final answer
x = 4,119,084.45
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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.