Finding the Fourth Proportional to 1,919,159.96, 2,879,736.24 and 782,755.88
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Solution
The fourth proportional to 1,919,159.96, 2,879,736.24 and 782,755.88 is: 1,174,540.17
Step by Step Solution
- Step 1: Write the proportion equation
1,919,159.96 : 2,879,736.24 = 782,755.88 : x - Step 2: Convert to fraction form
1,919,159.96/2,879,736.24 = 782,755.88/x - Step 3: Cross multiply
1,919,159.96x = 2,879,736.24 × 782,755.88 - Step 4: Simplify right side
1,919,159.96x = 2,254,130,465,552.86 - Step 5: Solve for x
x = 2,254,130,465,552.86/1,919,159.96 - Step 6: Final answer
x = 1,174,540.17
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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.