Finding the Fourth Proportional to 2,803,509.07, 3,868,844.09 and 1,514,349.47
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Solution
The fourth proportional to 2,803,509.07, 3,868,844.09 and 1,514,349.47 is: 2,089,803.12
Step by Step Solution
- Step 1: Write the proportion equation
2,803,509.07 : 3,868,844.09 = 1,514,349.47 : x - Step 2: Convert to fraction form
2,803,509.07/3,868,844.09 = 1,514,349.47/x - Step 3: Cross multiply
2,803,509.07x = 3,868,844.09 × 1,514,349.47 - Step 4: Simplify right side
2,803,509.07x = 5,858,781,999,304.50 - Step 5: Solve for x
x = 5,858,781,999,304.50/2,803,509.07 - Step 6: Final answer
x = 2,089,803.12
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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.