Finding the Fourth Proportional to 1,802,970.99, 2,488,023.03 and 987,159.84
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Solution
The fourth proportional to 1,802,970.99, 2,488,023.03 and 987,159.84 is: 1,362,238.46
Step by Step Solution
- Step 1: Write the proportion equation
1,802,970.99 : 2,488,023.03 = 987,159.84 : x - Step 2: Convert to fraction form
1,802,970.99/2,488,023.03 = 987,159.84/x - Step 3: Cross multiply
1,802,970.99x = 2,488,023.03 × 987,159.84 - Step 4: Simplify right side
1,802,970.99x = 2,456,076,416,211.11 - Step 5: Solve for x
x = 2,456,076,416,211.11/1,802,970.99 - Step 6: Final answer
x = 1,362,238.46
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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.