Finding the Fourth Proportional to 2,688,581.16, 3,710,326.02 and 1,542,871.08
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Solution
The fourth proportional to 2,688,581.16, 3,710,326.02 and 1,542,871.08 is: 2,129,210.31
Step by Step Solution
- Step 1: Write the proportion equation
2,688,581.16 : 3,710,326.02 = 1,542,871.08 : x - Step 2: Convert to fraction form
2,688,581.16/3,710,326.02 = 1,542,871.08/x - Step 3: Cross multiply
2,688,581.16x = 3,710,326.02 × 1,542,871.08 - Step 4: Simplify right side
2,688,581.16x = 5,724,554,713,629.50 - Step 5: Solve for x
x = 5,724,554,713,629.50/2,688,581.16 - Step 6: Final answer
x = 2,129,210.31
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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.