Finding the Fourth Proportional to 5,475,658.79, 8,212,860.68 and 1,432,536.77
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Solution
The fourth proportional to 5,475,658.79, 8,212,860.68 and 1,432,536.77 is: 2,148,640.99
Step by Step Solution
- Step 1: Write the proportion equation
5,475,658.79 : 8,212,860.68 = 1,432,536.77 : x - Step 2: Convert to fraction form
5,475,658.79/8,212,860.68 = 1,432,536.77/x - Step 3: Cross multiply
5,475,658.79x = 8,212,860.68 × 1,432,536.77 - Step 4: Simplify right side
5,475,658.79x = 11,765,224,924,356.67 - Step 5: Solve for x
x = 11,765,224,924,356.67/5,475,658.79 - Step 6: Final answer
x = 2,148,640.99
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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.