Finding the Fourth Proportional to 2,487,926.96, 3,433,197.12 and 1,400,243.84
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Solution
The fourth proportional to 2,487,926.96, 3,433,197.12 and 1,400,243.84 is: 1,932,256.53
Step by Step Solution
- Step 1: Write the proportion equation
2,487,926.96 : 3,433,197.12 = 1,400,243.84 : x - Step 2: Convert to fraction form
2,487,926.96/3,433,197.12 = 1,400,243.84/x - Step 3: Cross multiply
2,487,926.96x = 3,433,197.12 × 1,400,243.84 - Step 4: Simplify right side
2,487,926.96x = 4,807,313,118,785.74 - Step 5: Solve for x
x = 4,807,313,118,785.74/2,487,926.96 - Step 6: Final answer
x = 1,932,256.53
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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.