Finding the Fourth Proportional to 1,529,968.16, 2,111,326.08 and 850,890.08
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Solution
The fourth proportional to 1,529,968.16, 2,111,326.08 and 850,890.08 is: 1,174,211.64
Step by Step Solution
- Step 1: Write the proportion equation
1,529,968.16 : 2,111,326.08 = 850,890.08 : x - Step 2: Convert to fraction form
1,529,968.16/2,111,326.08 = 850,890.08/x - Step 3: Cross multiply
1,529,968.16x = 2,111,326.08 × 850,890.08 - Step 4: Simplify right side
1,529,968.16x = 1,796,506,417,117.29 - Step 5: Solve for x
x = 1,796,506,417,117.29/1,529,968.16 - Step 6: Final answer
x = 1,174,211.64
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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.