Finding the Fourth Proportional to 1,709,389.91, 2,564,239.32 and 494,948.81
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Solution
The fourth proportional to 1,709,389.91, 2,564,239.32 and 494,948.81 is: 742,467.94
Step by Step Solution
- Step 1: Write the proportion equation
1,709,389.91 : 2,564,239.32 = 494,948.81 : x - Step 2: Convert to fraction form
1,709,389.91/2,564,239.32 = 494,948.81/x - Step 3: Cross multiply
1,709,389.91x = 2,564,239.32 × 494,948.81 - Step 4: Simplify right side
1,709,389.91x = 1,269,167,206,399.81 - Step 5: Solve for x
x = 1,269,167,206,399.81/1,709,389.91 - Step 6: Final answer
x = 742,467.94
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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.