Finding the Fourth Proportional to 5,620,356.14, 8,430,840.79 and 1,781,900.93
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Solution
The fourth proportional to 5,620,356.14, 8,430,840.79 and 1,781,900.93 is: 2,672,948.60
Step by Step Solution
- Step 1: Write the proportion equation
5,620,356.14 : 8,430,840.79 = 1,781,900.93 : x - Step 2: Convert to fraction form
5,620,356.14/8,430,840.79 = 1,781,900.93/x - Step 3: Cross multiply
5,620,356.14x = 8,430,840.79 × 1,781,900.93 - Step 4: Simplify right side
5,620,356.14x = 15,022,923,061,005.29 - Step 5: Solve for x
x = 15,022,923,061,005.29/5,620,356.14 - Step 6: Final answer
x = 2,672,948.60
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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.