Finding the Fourth Proportional to 1,881,375.61, 2,596,346.64 and 1,021,985.05
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Solution
The fourth proportional to 1,881,375.61, 2,596,346.64 and 1,021,985.05 is: 1,410,365.60
Step by Step Solution
- Step 1: Write the proportion equation
1,881,375.61 : 2,596,346.64 = 1,021,985.05 : x - Step 2: Convert to fraction form
1,881,375.61/2,596,346.64 = 1,021,985.05/x - Step 3: Cross multiply
1,881,375.61x = 2,596,346.64 × 1,021,985.05 - Step 4: Simplify right side
1,881,375.61x = 2,653,427,432,606.07 - Step 5: Solve for x
x = 2,653,427,432,606.07/1,881,375.61 - Step 6: Final answer
x = 1,410,365.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.