Finding the Fourth Proportional to 1,636,259.70, 2,454,389.55 and 514,328.70
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Solution
The fourth proportional to 1,636,259.70, 2,454,389.55 and 514,328.70 is: 771,493.05
Step by Step Solution
- Step 1: Write the proportion equation
1,636,259.70 : 2,454,389.55 = 514,328.70 : x - Step 2: Convert to fraction form
1,636,259.70/2,454,389.55 = 514,328.70/x - Step 3: Cross multiply
1,636,259.70x = 2,454,389.55 × 514,328.70 - Step 4: Simplify right side
1,636,259.70x = 1,262,362,986,545.09 - Step 5: Solve for x
x = 1,262,362,986,545.09/1,636,259.70 - Step 6: Final answer
x = 771,493.05
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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.