Finding the Fourth Proportional to 1,936,844.24, 2,673,172.68 and 1,121,070.80
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Solution
The fourth proportional to 1,936,844.24, 2,673,172.68 and 1,121,070.80 is: 1,547,267.34
Step by Step Solution
- Step 1: Write the proportion equation
1,936,844.24 : 2,673,172.68 = 1,121,070.80 : x - Step 2: Convert to fraction form
1,936,844.24/2,673,172.68 = 1,121,070.80/x - Step 3: Cross multiply
1,936,844.24x = 2,673,172.68 × 1,121,070.80 - Step 4: Simplify right side
1,936,844.24x = 2,996,815,834,905.74 - Step 5: Solve for x
x = 2,996,815,834,905.74/1,936,844.24 - Step 6: Final answer
x = 1,547,267.34
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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.