Finding the Fourth Proportional to 1,769,747.60, 2,652,547.80 and 1,325,997.20
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Solution
The fourth proportional to 1,769,747.60, 2,652,547.80 and 1,325,997.20 is: 1,987,442.14
Step by Step Solution
- Step 1: Write the proportion equation
1,769,747.60 : 2,652,547.80 = 1,325,997.20 : x - Step 2: Convert to fraction form
1,769,747.60/2,652,547.80 = 1,325,997.20/x - Step 3: Cross multiply
1,769,747.60x = 2,652,547.80 × 1,325,997.20 - Step 4: Simplify right side
1,769,747.60x = 3,517,270,955,666.16 - Step 5: Solve for x
x = 3,517,270,955,666.16/1,769,747.60 - Step 6: Final answer
x = 1,987,442.14
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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.