Finding the Fourth Proportional to 1,381,277.52, 1,906,457.04 and 928,306.08
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Solution
The fourth proportional to 1,381,277.52, 1,906,457.04 and 928,306.08 is: 1,281,260.02
Step by Step Solution
- Step 1: Write the proportion equation
1,381,277.52 : 1,906,457.04 = 928,306.08 : x - Step 2: Convert to fraction form
1,381,277.52/1,906,457.04 = 928,306.08/x - Step 3: Cross multiply
1,381,277.52x = 1,906,457.04 × 928,306.08 - Step 4: Simplify right side
1,381,277.52x = 1,769,775,661,490.80 - Step 5: Solve for x
x = 1,769,775,661,490.80/1,381,277.52 - Step 6: Final answer
x = 1,281,260.02
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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.