Finding the Fourth Proportional to 1,851,838.36, 2,554,970.04 and 1,207,023.28
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Solution
The fourth proportional to 1,851,838.36, 2,554,970.04 and 1,207,023.28 is: 1,665,322.62
Step by Step Solution
- Step 1: Write the proportion equation
1,851,838.36 : 2,554,970.04 = 1,207,023.28 : x - Step 2: Convert to fraction form
1,851,838.36/2,554,970.04 = 1,207,023.28/x - Step 3: Cross multiply
1,851,838.36x = 2,554,970.04 × 1,207,023.28 - Step 4: Simplify right side
1,851,838.36x = 3,083,908,317,982.53 - Step 5: Solve for x
x = 3,083,908,317,982.53/1,851,838.36 - Step 6: Final answer
x = 1,665,322.62
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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.