Finding the Fourth Proportional to 5,475,655.83, 8,212,856.16 and 1,432,533.81
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Solution
The fourth proportional to 5,475,655.83, 8,212,856.16 and 1,432,533.81 is: 2,148,636.53
Step by Step Solution
- Step 1: Write the proportion equation
5,475,655.83 : 8,212,856.16 = 1,432,533.81 : x - Step 2: Convert to fraction form
5,475,655.83/8,212,856.16 = 1,432,533.81/x - Step 3: Cross multiply
5,475,655.83x = 8,212,856.16 × 1,432,533.81 - Step 4: Simplify right side
5,475,655.83x = 11,765,194,125,866.77 - Step 5: Solve for x
x = 11,765,194,125,866.77/5,475,655.83 - Step 6: Final answer
x = 2,148,636.53
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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.