Finding the Fourth Proportional to 1,860,539.71, 2,786,740.65 and 1,319,154.94
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Solution
The fourth proportional to 1,860,539.71, 2,786,740.65 and 1,319,154.94 is: 1,975,847.48
Step by Step Solution
- Step 1: Write the proportion equation
1,860,539.71 : 2,786,740.65 = 1,319,154.94 : x - Step 2: Convert to fraction form
1,860,539.71/2,786,740.65 = 1,319,154.94/x - Step 3: Cross multiply
1,860,539.71x = 2,786,740.65 × 1,319,154.94 - Step 4: Simplify right side
1,860,539.71x = 3,676,142,694,946.31 - Step 5: Solve for x
x = 3,676,142,694,946.31/1,860,539.71 - Step 6: Final answer
x = 1,975,847.48
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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.