Finding the Fourth Proportional to 2,989,663.01, 4,125,733.85 and 1,631,536.01
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Solution
The fourth proportional to 2,989,663.01, 4,125,733.85 and 1,631,536.01 is: 2,251,519.09
Step by Step Solution
- Step 1: Write the proportion equation
2,989,663.01 : 4,125,733.85 = 1,631,536.01 : x - Step 2: Convert to fraction form
2,989,663.01/4,125,733.85 = 1,631,536.01/x - Step 3: Cross multiply
2,989,663.01x = 4,125,733.85 × 1,631,536.01 - Step 4: Simplify right side
2,989,663.01x = 6,731,283,343,950.94 - Step 5: Solve for x
x = 6,731,283,343,950.94/2,989,663.01 - Step 6: Final answer
x = 2,251,519.09
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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.