Finding the Fourth Proportional to 2,678,486.76, 4,017,730.14 and 1,182,280.68
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Solution
The fourth proportional to 2,678,486.76, 4,017,730.14 and 1,182,280.68 is: 1,773,421.02
Step by Step Solution
- Step 1: Write the proportion equation
2,678,486.76 : 4,017,730.14 = 1,182,280.68 : x - Step 2: Convert to fraction form
2,678,486.76/4,017,730.14 = 1,182,280.68/x - Step 3: Cross multiply
2,678,486.76x = 4,017,730.14 × 1,182,280.68 - Step 4: Simplify right side
2,678,486.76x = 4,750,084,721,975.70 - Step 5: Solve for x
x = 4,750,084,721,975.70/2,678,486.76 - Step 6: Final answer
x = 1,773,421.02
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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.