Finding the Fourth Proportional to 1,613,330.50, 2,226,356.85 and 888,172.42
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Solution
The fourth proportional to 1,613,330.50, 2,226,356.85 and 888,172.42 is: 1,225,656.34
Step by Step Solution
- Step 1: Write the proportion equation
1,613,330.50 : 2,226,356.85 = 888,172.42 : x - Step 2: Convert to fraction form
1,613,330.50/2,226,356.85 = 888,172.42/x - Step 3: Cross multiply
1,613,330.50x = 2,226,356.85 × 888,172.42 - Step 4: Simplify right side
1,613,330.50x = 1,977,388,751,248.08 - Step 5: Solve for x
x = 1,977,388,751,248.08/1,613,330.50 - Step 6: Final answer
x = 1,225,656.34
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1.5x scale
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.