Finding the Fourth Proportional to 2,117,048.09, 2,921,670.80 and 1,199,284.77
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Solution
The fourth proportional to 2,117,048.09, 2,921,670.80 and 1,199,284.77 is: 1,655,094.80
Step by Step Solution
- Step 1: Write the proportion equation
2,117,048.09 : 2,921,670.80 = 1,199,284.77 : x - Step 2: Convert to fraction form
2,117,048.09/2,921,670.80 = 1,199,284.77/x - Step 3: Cross multiply
2,117,048.09x = 2,921,670.80 × 1,199,284.77 - Step 4: Simplify right side
2,117,048.09x = 3,503,915,287,397.29 - Step 5: Solve for x
x = 3,503,915,287,397.29/2,117,048.09 - Step 6: Final answer
x = 1,655,094.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.