Finding the Fourth Proportional to 1,643,817.04, 2,268,459.88 and 918,664.32
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Solution
The fourth proportional to 1,643,817.04, 2,268,459.88 and 918,664.32 is: 1,267,752.49
Step by Step Solution
- Step 1: Write the proportion equation
1,643,817.04 : 2,268,459.88 = 918,664.32 : x - Step 2: Convert to fraction form
1,643,817.04/2,268,459.88 = 918,664.32/x - Step 3: Cross multiply
1,643,817.04x = 2,268,459.88 × 918,664.32 - Step 4: Simplify right side
1,643,817.04x = 2,083,953,153,107.48 - Step 5: Solve for x
x = 2,083,953,153,107.48/1,643,817.04 - Step 6: Final answer
x = 1,267,752.49
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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.