Finding the Fourth Proportional to 2,919,815.84, 4,029,306 and 1,630,678.88
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Solution
The fourth proportional to 2,919,815.84, 4,029,306 and 1,630,678.88 is: 2,250,314.59
Step by Step Solution
- Step 1: Write the proportion equation
2,919,815.84 : 4,029,306 = 1,630,678.88 : x - Step 2: Convert to fraction form
2,919,815.84/4,029,306 = 1,630,678.88/x - Step 3: Cross multiply
2,919,815.84x = 4,029,306 × 1,630,678.88 - Step 4: Simplify right side
2,919,815.84x = 6,570,504,195,257.28 - Step 5: Solve for x
x = 6,570,504,195,257.28/2,919,815.84 - Step 6: Final answer
x = 2,250,314.59
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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.