Finding the Fourth Proportional to 1,992,365.06, 2,988,640.98 and 644,633.19
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Solution
The fourth proportional to 1,992,365.06, 2,988,640.98 and 644,633.19 is: 966,980.00
Step by Step Solution
- Step 1: Write the proportion equation
1,992,365.06 : 2,988,640.98 = 644,633.19 : x - Step 2: Convert to fraction form
1,992,365.06/2,988,640.98 = 644,633.19/x - Step 3: Cross multiply
1,992,365.06x = 2,988,640.98 × 644,633.19 - Step 4: Simplify right side
1,992,365.06x = 1,926,577,168,702.13 - Step 5: Solve for x
x = 1,926,577,168,702.13/1,992,365.06 - Step 6: Final answer
x = 966,980.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.