Finding the Fourth Proportional to 1,538,091.18, 2,307,129.48 and 854,656.02
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Solution
The fourth proportional to 1,538,091.18, 2,307,129.48 and 854,656.02 is: 1,281,979.98
Step by Step Solution
- Step 1: Write the proportion equation
1,538,091.18 : 2,307,129.48 = 854,656.02 : x - Step 2: Convert to fraction form
1,538,091.18/2,307,129.48 = 854,656.02/x - Step 3: Cross multiply
1,538,091.18x = 2,307,129.48 × 854,656.02 - Step 4: Simplify right side
1,538,091.18x = 1,971,802,099,001.47 - Step 5: Solve for x
x = 1,971,802,099,001.47/1,538,091.18 - Step 6: Final answer
x = 1,281,979.98
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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.