Finding the Fourth Proportional to 4,742,941.23, 7,114,428.68 and 1,148,710.59
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Solution
The fourth proportional to 4,742,941.23, 7,114,428.68 and 1,148,710.59 is: 1,723,069.96
Step by Step Solution
- Step 1: Write the proportion equation
4,742,941.23 : 7,114,428.68 = 1,148,710.59 : x - Step 2: Convert to fraction form
4,742,941.23/7,114,428.68 = 1,148,710.59/x - Step 3: Cross multiply
4,742,941.23x = 7,114,428.68 × 1,148,710.59 - Step 4: Simplify right side
4,742,941.23x = 8,172,419,560,772.17 - Step 5: Solve for x
x = 8,172,419,560,772.17/4,742,941.23 - Step 6: Final answer
x = 1,723,069.96
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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.