Finding the Fourth Proportional to 1,545,567.23, 2,133,014.26 and 857,460.82
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Solution
The fourth proportional to 1,545,567.23, 2,133,014.26 and 857,460.82 is: 1,183,368.88
Step by Step Solution
- Step 1: Write the proportion equation
1,545,567.23 : 2,133,014.26 = 857,460.82 : x - Step 2: Convert to fraction form
1,545,567.23/2,133,014.26 = 857,460.82/x - Step 3: Cross multiply
1,545,567.23x = 2,133,014.26 × 857,460.82 - Step 4: Simplify right side
1,545,567.23x = 1,828,976,156,451.29 - Step 5: Solve for x
x = 1,828,976,156,451.29/1,545,567.23 - Step 6: Final answer
x = 1,183,368.88
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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.