Finding the Fourth Proportional to 1,521,663.18, 2,099,958.48 and 842,599.68
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Solution
The fourth proportional to 1,521,663.18, 2,099,958.48 and 842,599.68 is: 1,162,822.61
Step by Step Solution
- Step 1: Write the proportion equation
1,521,663.18 : 2,099,958.48 = 842,599.68 : x - Step 2: Convert to fraction form
1,521,663.18/2,099,958.48 = 842,599.68/x - Step 3: Cross multiply
1,521,663.18x = 2,099,958.48 × 842,599.68 - Step 4: Simplify right side
1,521,663.18x = 1,769,424,343,261.29 - Step 5: Solve for x
x = 1,769,424,343,261.29/1,521,663.18 - Step 6: Final answer
x = 1,162,822.61
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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.