Finding the Fourth Proportional to 2,130,235.30, 3,197,167.35 and 868,968.10
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Solution
The fourth proportional to 2,130,235.30, 3,197,167.35 and 868,968.10 is: 1,304,192.28
Step by Step Solution
- Step 1: Write the proportion equation
2,130,235.30 : 3,197,167.35 = 868,968.10 : x - Step 2: Convert to fraction form
2,130,235.30/3,197,167.35 = 868,968.10/x - Step 3: Cross multiply
2,130,235.30x = 3,197,167.35 × 868,968.10 - Step 4: Simplify right side
2,130,235.30x = 2,778,236,437,511.54 - Step 5: Solve for x
x = 2,778,236,437,511.54/2,130,235.30 - Step 6: Final answer
x = 1,304,192.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.