Finding the Fourth Proportional to 1,531,848.86, 2,296,709.18 and 678,455.49
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Solution
The fourth proportional to 1,531,848.86, 2,296,709.18 and 678,455.49 is: 1,017,211.94
Step by Step Solution
- Step 1: Write the proportion equation
1,531,848.86 : 2,296,709.18 = 678,455.49 : x - Step 2: Convert to fraction form
1,531,848.86/2,296,709.18 = 678,455.49/x - Step 3: Cross multiply
1,531,848.86x = 2,296,709.18 × 678,455.49 - Step 4: Simplify right side
1,531,848.86x = 1,558,214,948,712.12 - Step 5: Solve for x
x = 1,558,214,948,712.12/1,531,848.86 - Step 6: Final answer
x = 1,017,211.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.