Finding the Fourth Proportional to 5,620,368.83, 8,430,859.82 and 1,781,913.62
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Solution
The fourth proportional to 5,620,368.83, 8,430,859.82 and 1,781,913.62 is: 2,672,967.64
Step by Step Solution
- Step 1: Write the proportion equation
5,620,368.83 : 8,430,859.82 = 1,781,913.62 : x - Step 2: Convert to fraction form
5,620,368.83/8,430,859.82 = 1,781,913.62/x - Step 3: Cross multiply
5,620,368.83x = 8,430,859.82 × 1,781,913.62 - Step 4: Simplify right side
5,620,368.83x = 15,023,063,967,100.68 - Step 5: Solve for x
x = 15,023,063,967,100.68/5,620,368.83 - Step 6: Final answer
x = 2,672,967.64
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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.