Finding the Fourth Proportional to 2,148,237.09, 2,964,528.45 and 1,181,370.06
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Solution
The fourth proportional to 2,148,237.09, 2,964,528.45 and 1,181,370.06 is: 1,630,269.38
Step by Step Solution
- Step 1: Write the proportion equation
2,148,237.09 : 2,964,528.45 = 1,181,370.06 : x - Step 2: Convert to fraction form
2,148,237.09/2,964,528.45 = 1,181,370.06/x - Step 3: Cross multiply
2,148,237.09x = 2,964,528.45 × 1,181,370.06 - Step 4: Simplify right side
2,148,237.09x = 3,502,205,152,848.21 - Step 5: Solve for x
x = 3,502,205,152,848.21/2,148,237.09 - Step 6: Final answer
x = 1,630,269.38
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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.