Finding the Fourth Proportional to 1,985,368.16, 2,970,537.12 and 1,176,186.96
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Solution
The fourth proportional to 1,985,368.16, 2,970,537.12 and 1,176,186.96 is: 1,759,828.28
Step by Step Solution
- Step 1: Write the proportion equation
1,985,368.16 : 2,970,537.12 = 1,176,186.96 : x - Step 2: Convert to fraction form
1,985,368.16/2,970,537.12 = 1,176,186.96/x - Step 3: Cross multiply
1,985,368.16x = 2,970,537.12 × 1,176,186.96 - Step 4: Simplify right side
1,985,368.16x = 3,493,907,024,739.96 - Step 5: Solve for x
x = 3,493,907,024,739.96/1,985,368.16 - Step 6: Final answer
x = 1,759,828.28
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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.