Finding the Fourth Proportional to 1,535,578, 2,119,777.14 and 991,978.84
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Solution
The fourth proportional to 1,535,578, 2,119,777.14 and 991,978.84 is: 1,369,369.75
Step by Step Solution
- Step 1: Write the proportion equation
1,535,578 : 2,119,777.14 = 991,978.84 : x - Step 2: Convert to fraction form
1,535,578/2,119,777.14 = 991,978.84/x - Step 3: Cross multiply
1,535,578x = 2,119,777.14 × 991,978.84 - Step 4: Simplify right side
1,535,578x = 2,102,774,068,395.72 - Step 5: Solve for x
x = 2,102,774,068,395.72/1,535,578 - Step 6: Final answer
x = 1,369,369.75
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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.