Finding the Fourth Proportional to 1,623,737.72, 2,240,764.04 and 878,663.68
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Solution
The fourth proportional to 1,623,737.72, 2,240,764.04 and 878,663.68 is: 1,212,559.12
Step by Step Solution
- Step 1: Write the proportion equation
1,623,737.72 : 2,240,764.04 = 878,663.68 : x - Step 2: Convert to fraction form
1,623,737.72/2,240,764.04 = 878,663.68/x - Step 3: Cross multiply
1,623,737.72x = 2,240,764.04 × 878,663.68 - Step 4: Simplify right side
1,623,737.72x = 1,968,877,977,398.07 - Step 5: Solve for x
x = 1,968,877,977,398.07/1,623,737.72 - Step 6: Final answer
x = 1,212,559.12
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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.