Finding the Fourth Proportional to 1,983,333.62, 2,975,000.18 and 1,309,256.99
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Solution
The fourth proportional to 1,983,333.62, 2,975,000.18 and 1,309,256.99 is: 1,963,885.32
Step by Step Solution
- Step 1: Write the proportion equation
1,983,333.62 : 2,975,000.18 = 1,309,256.99 : x - Step 2: Convert to fraction form
1,983,333.62/2,975,000.18 = 1,309,256.99/x - Step 3: Cross multiply
1,983,333.62x = 2,975,000.18 × 1,309,256.99 - Step 4: Simplify right side
1,983,333.62x = 3,895,039,780,916.26 - Step 5: Solve for x
x = 3,895,039,780,916.26/1,983,333.62 - Step 6: Final answer
x = 1,963,885.32
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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.