Finding the Fourth Proportional to 5,024,403.68, 7,536,651.08 and 1,430,169.21
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Solution
The fourth proportional to 5,024,403.68, 7,536,651.08 and 1,430,169.21 is: 2,145,266.78
Step by Step Solution
- Step 1: Write the proportion equation
5,024,403.68 : 7,536,651.08 = 1,430,169.21 : x - Step 2: Convert to fraction form
5,024,403.68/7,536,651.08 = 1,430,169.21/x - Step 3: Cross multiply
5,024,403.68x = 7,536,651.08 × 1,430,169.21 - Step 4: Simplify right side
5,024,403.68x = 10,778,686,313,978.40 - Step 5: Solve for x
x = 10,778,686,313,978.40/5,024,403.68 - Step 6: Final answer
x = 2,145,266.78
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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.