Finding the Fourth Proportional to 1,793,989.40, 2,475,691.98 and 978,207.08
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Solution
The fourth proportional to 1,793,989.40, 2,475,691.98 and 978,207.08 is: 1,349,918.47
Step by Step Solution
- Step 1: Write the proportion equation
1,793,989.40 : 2,475,691.98 = 978,207.08 : x - Step 2: Convert to fraction form
1,793,989.40/2,475,691.98 = 978,207.08/x - Step 3: Cross multiply
1,793,989.40x = 2,475,691.98 × 978,207.08 - Step 4: Simplify right side
1,793,989.40x = 2,421,739,422,735.22 - Step 5: Solve for x
x = 2,421,739,422,735.22/1,793,989.40 - Step 6: Final answer
x = 1,349,918.47
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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.