Finding the Fourth Proportional to 3,316,949.19, 4,975,451.49 and 920,980.68
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Solution
The fourth proportional to 3,316,949.19, 4,975,451.49 and 920,980.68 is: 1,381,478.71
Step by Step Solution
- Step 1: Write the proportion equation
3,316,949.19 : 4,975,451.49 = 920,980.68 : x - Step 2: Convert to fraction form
3,316,949.19/4,975,451.49 = 920,980.68/x - Step 3: Cross multiply
3,316,949.19x = 4,975,451.49 × 920,980.68 - Step 4: Simplify right side
3,316,949.19x = 4,582,294,696,567.21 - Step 5: Solve for x
x = 4,582,294,696,567.21/3,316,949.19 - Step 6: Final answer
x = 1,381,478.71
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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.