Finding the Fourth Proportional to 1,793,988.40, 2,475,690.60 and 978,206.08
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Solution
The fourth proportional to 1,793,988.40, 2,475,690.60 and 978,206.08 is: 1,349,917.09
Step by Step Solution
- Step 1: Write the proportion equation
1,793,988.40 : 2,475,690.60 = 978,206.08 : x - Step 2: Convert to fraction form
1,793,988.40/2,475,690.60 = 978,206.08/x - Step 3: Cross multiply
1,793,988.40x = 2,475,690.60 × 978,206.08 - Step 4: Simplify right side
1,793,988.40x = 2,421,735,597,118.85 - Step 5: Solve for x
x = 2,421,735,597,118.85/1,793,988.40 - Step 6: Final answer
x = 1,349,917.09
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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.