Finding the Fourth Proportional to 1,527,315.60, 2,290,390.20 and 462,003.60
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Solution
The fourth proportional to 1,527,315.60, 2,290,390.20 and 462,003.60 is: 692,828.99
Step by Step Solution
- Step 1: Write the proportion equation
1,527,315.60 : 2,290,390.20 = 462,003.60 : x - Step 2: Convert to fraction form
1,527,315.60/2,290,390.20 = 462,003.60/x - Step 3: Cross multiply
1,527,315.60x = 2,290,390.20 × 462,003.60 - Step 4: Simplify right side
1,527,315.60x = 1,058,168,517,804.72 - Step 5: Solve for x
x = 1,058,168,517,804.72/1,527,315.60 - Step 6: Final answer
x = 692,828.99
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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.