Finding the Fourth Proportional to 2,403,345.10, 3,316,615.99 and 1,315,617.41
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Solution
The fourth proportional to 2,403,345.10, 3,316,615.99 and 1,315,617.41 is: 1,815,551.89
Step by Step Solution
- Step 1: Write the proportion equation
2,403,345.10 : 3,316,615.99 = 1,315,617.41 : x - Step 2: Convert to fraction form
2,403,345.10/3,316,615.99 = 1,315,617.41/x - Step 3: Cross multiply
2,403,345.10x = 3,316,615.99 × 1,315,617.41 - Step 4: Simplify right side
2,403,345.10x = 4,363,397,738,728.39 - Step 5: Solve for x
x = 4,363,397,738,728.39/2,403,345.10 - Step 6: Final answer
x = 1,815,551.89
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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.