Finding the Fourth Proportional to 1,691,312.31, 2,537,341.62 and 493,328.39
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Solution
The fourth proportional to 1,691,312.31, 2,537,341.62 and 493,328.39 is: 740,101.42
Step by Step Solution
- Step 1: Write the proportion equation
1,691,312.31 : 2,537,341.62 = 493,328.39 : x - Step 2: Convert to fraction form
1,691,312.31/2,537,341.62 = 493,328.39/x - Step 3: Cross multiply
1,691,312.31x = 2,537,341.62 × 493,328.39 - Step 4: Simplify right side
1,691,312.31x = 1,251,742,648,609.54 - Step 5: Solve for x
x = 1,251,742,648,609.54/1,691,312.31 - Step 6: Final answer
x = 740,101.42
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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.