Finding the Fourth Proportional to 1,365,943.08, 2,048,557.68 and 406,140.24
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Solution
The fourth proportional to 1,365,943.08, 2,048,557.68 and 406,140.24 is: 609,104.23
Step by Step Solution
- Step 1: Write the proportion equation
1,365,943.08 : 2,048,557.68 = 406,140.24 : x - Step 2: Convert to fraction form
1,365,943.08/2,048,557.68 = 406,140.24/x - Step 3: Cross multiply
1,365,943.08x = 2,048,557.68 × 406,140.24 - Step 4: Simplify right side
1,365,943.08x = 832,001,707,809.04 - Step 5: Solve for x
x = 832,001,707,809.04/1,365,943.08 - Step 6: Final answer
x = 609,104.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.