Finding the Fourth Proportional to 3,609,386.24, 5,411,980.80 and 1,365,697.28
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Solution
The fourth proportional to 3,609,386.24, 5,411,980.80 and 1,365,697.28 is: 2,047,751.88
Step by Step Solution
- Step 1: Write the proportion equation
3,609,386.24 : 5,411,980.80 = 1,365,697.28 : x - Step 2: Convert to fraction form
3,609,386.24/5,411,980.80 = 1,365,697.28/x - Step 3: Cross multiply
3,609,386.24x = 5,411,980.80 × 1,365,697.28 - Step 4: Simplify right side
3,609,386.24x = 7,391,127,457,972.22 - Step 5: Solve for x
x = 7,391,127,457,972.22/3,609,386.24 - Step 6: Final answer
x = 2,047,751.88
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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.