Finding the Fourth Proportional to 1,849,585.80, 2,774,378.70 and 519,889.80
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Solution
The fourth proportional to 1,849,585.80, 2,774,378.70 and 519,889.80 is: 779,834.70
Step by Step Solution
- Step 1: Write the proportion equation
1,849,585.80 : 2,774,378.70 = 519,889.80 : x - Step 2: Convert to fraction form
1,849,585.80/2,774,378.70 = 519,889.80/x - Step 3: Cross multiply
1,849,585.80x = 2,774,378.70 × 519,889.80 - Step 4: Simplify right side
1,849,585.80x = 1,442,371,187,467.26 - Step 5: Solve for x
x = 1,442,371,187,467.26/1,849,585.80 - Step 6: Final answer
x = 779,834.70
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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.