Finding the Fourth Proportional to 1,875,330.22, 2,812,956.44 and 455,393.74
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Solution
The fourth proportional to 1,875,330.22, 2,812,956.44 and 455,393.74 is: 683,081.17
Step by Step Solution
- Step 1: Write the proportion equation
1,875,330.22 : 2,812,956.44 = 455,393.74 : x - Step 2: Convert to fraction form
1,875,330.22/2,812,956.44 = 455,393.74/x - Step 3: Cross multiply
1,875,330.22x = 2,812,956.44 × 455,393.74 - Step 4: Simplify right side
1,875,330.22x = 1,281,002,753,668.69 - Step 5: Solve for x
x = 1,281,002,753,668.69/1,875,330.22 - Step 6: Final answer
x = 683,081.17
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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.