Finding the Fourth Proportional to 1,666,464.93, 2,299,719.42 and 902,521.53
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Solution
The fourth proportional to 1,666,464.93, 2,299,719.42 and 902,521.53 is: 1,245,478.53
Step by Step Solution
- Step 1: Write the proportion equation
1,666,464.93 : 2,299,719.42 = 902,521.53 : x - Step 2: Convert to fraction form
1,666,464.93/2,299,719.42 = 902,521.53/x - Step 3: Cross multiply
1,666,464.93x = 2,299,719.42 × 902,521.53 - Step 4: Simplify right side
1,666,464.93x = 2,075,546,289,509.11 - Step 5: Solve for x
x = 2,075,546,289,509.11/1,666,464.93 - Step 6: Final answer
x = 1,245,478.53
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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.