Finding the Fourth Proportional to 1,616,637.36, 2,230,908.16 and 891,515.60
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Solution
The fourth proportional to 1,616,637.36, 2,230,908.16 and 891,515.60 is: 1,230,263.18
Step by Step Solution
- Step 1: Write the proportion equation
1,616,637.36 : 2,230,908.16 = 891,515.60 : x - Step 2: Convert to fraction form
1,616,637.36/2,230,908.16 = 891,515.60/x - Step 3: Cross multiply
1,616,637.36x = 2,230,908.16 × 891,515.60 - Step 4: Simplify right side
1,616,637.36x = 1,988,889,426,807.30 - Step 5: Solve for x
x = 1,988,889,426,807.30/1,616,637.36 - Step 6: Final answer
x = 1,230,263.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.