Finding the Fourth Proportional to 1,553,350.87, 2,142,519.97 and 1,036,844.35
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Solution
The fourth proportional to 1,553,350.87, 2,142,519.97 and 1,036,844.35 is: 1,430,108.14
Step by Step Solution
- Step 1: Write the proportion equation
1,553,350.87 : 2,142,519.97 = 1,036,844.35 : x - Step 2: Convert to fraction form
1,553,350.87/2,142,519.97 = 1,036,844.35/x - Step 3: Cross multiply
1,553,350.87x = 2,142,519.97 × 1,036,844.35 - Step 4: Simplify right side
1,553,350.87x = 2,221,459,725,656.67 - Step 5: Solve for x
x = 2,221,459,725,656.67/1,553,350.87 - Step 6: Final answer
x = 1,430,108.14
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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.