Finding the Fourth Proportional to 2,919,987.05, 4,029,184.05 and 1,630,663.07
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Solution
The fourth proportional to 2,919,987.05, 4,029,184.05 and 1,630,663.07 is: 2,250,092.73
Step by Step Solution
- Step 1: Write the proportion equation
2,919,987.05 : 4,029,184.05 = 1,630,663.07 : x - Step 2: Convert to fraction form
2,919,987.05/4,029,184.05 = 1,630,663.07/x - Step 3: Cross multiply
2,919,987.05x = 4,029,184.05 × 1,630,663.07 - Step 4: Simplify right side
2,919,987.05x = 6,570,241,632,568.03 - Step 5: Solve for x
x = 6,570,241,632,568.03/2,919,987.05 - Step 6: Final answer
x = 2,250,092.73
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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.