Finding the Fourth Proportional to 1,405,484.88, 2,110,326.84 and 1,384,489.68
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Solution
The fourth proportional to 1,405,484.88, 2,110,326.84 and 1,384,489.68 is: 2,078,802.68
Step by Step Solution
- Step 1: Write the proportion equation
1,405,484.88 : 2,110,326.84 = 1,384,489.68 : x - Step 2: Convert to fraction form
1,405,484.88/2,110,326.84 = 1,384,489.68/x - Step 3: Cross multiply
1,405,484.88x = 2,110,326.84 × 1,384,489.68 - Step 4: Simplify right side
1,405,484.88x = 2,921,725,731,407.01 - Step 5: Solve for x
x = 2,921,725,731,407.01/1,405,484.88 - Step 6: Final answer
x = 2,078,802.68
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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.