Finding the Fourth Proportional to 1,472,018.44, 2,031,396.60 and 818,653.54
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Solution
The fourth proportional to 1,472,018.44, 2,031,396.60 and 818,653.54 is: 1,129,748.09
Step by Step Solution
- Step 1: Write the proportion equation
1,472,018.44 : 2,031,396.60 = 818,653.54 : x - Step 2: Convert to fraction form
1,472,018.44/2,031,396.60 = 818,653.54/x - Step 3: Cross multiply
1,472,018.44x = 2,031,396.60 × 818,653.54 - Step 4: Simplify right side
1,472,018.44x = 1,663,010,017,733.96 - Step 5: Solve for x
x = 1,663,010,017,733.96/1,472,018.44 - Step 6: Final answer
x = 1,129,748.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.