Finding the Fourth Proportional to 4,742,627.08, 7,114,137.47 and 1,376,834.08
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Solution
The fourth proportional to 4,742,627.08, 7,114,137.47 and 1,376,834.08 is: 2,065,308.27
Step by Step Solution
- Step 1: Write the proportion equation
4,742,627.08 : 7,114,137.47 = 1,376,834.08 : x - Step 2: Convert to fraction form
4,742,627.08/7,114,137.47 = 1,376,834.08/x - Step 3: Cross multiply
4,742,627.08x = 7,114,137.47 × 1,376,834.08 - Step 4: Simplify right side
4,742,627.08x = 9,794,986,918,500.98 - Step 5: Solve for x
x = 9,794,986,918,500.98/4,742,627.08 - Step 6: Final answer
x = 2,065,308.27
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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.