Finding the Fourth Proportional to 4,215,903.36, 6,324,862.80 and 1,376,020.80
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Solution
The fourth proportional to 4,215,903.36, 6,324,862.80 and 1,376,020.80 is: 2,064,360.12
Step by Step Solution
- Step 1: Write the proportion equation
4,215,903.36 : 6,324,862.80 = 1,376,020.80 : x - Step 2: Convert to fraction form
4,215,903.36/6,324,862.80 = 1,376,020.80/x - Step 3: Cross multiply
4,215,903.36x = 6,324,862.80 × 1,376,020.80 - Step 4: Simplify right side
4,215,903.36x = 8,703,142,769,946.24 - Step 5: Solve for x
x = 8,703,142,769,946.24/4,215,903.36 - Step 6: Final answer
x = 2,064,360.12
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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.