Finding the Fourth Proportional to 5,731,720.07, 7,909,773.43 and 3,153,345.53
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Solution
The fourth proportional to 5,731,720.07, 7,909,773.43 and 3,153,345.53 is: 4,351,616.68
Step by Step Solution
- Step 1: Write the proportion equation
5,731,720.07 : 7,909,773.43 = 3,153,345.53 : x - Step 2: Convert to fraction form
5,731,720.07/7,909,773.43 = 3,153,345.53/x - Step 3: Cross multiply
5,731,720.07x = 7,909,773.43 × 3,153,345.53 - Step 4: Simplify right side
5,731,720.07x = 24,942,248,688,803.27 - Step 5: Solve for x
x = 24,942,248,688,803.27/5,731,720.07 - Step 6: Final answer
x = 4,351,616.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.