Finding the Fourth Proportional to 1,403,604.24, 2,105,386.80 and 338,637.36
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Solution
The fourth proportional to 1,403,604.24, 2,105,386.80 and 338,637.36 is: 507,951.32
Step by Step Solution
- Step 1: Write the proportion equation
1,403,604.24 : 2,105,386.80 = 338,637.36 : x - Step 2: Convert to fraction form
1,403,604.24/2,105,386.80 = 338,637.36/x - Step 3: Cross multiply
1,403,604.24x = 2,105,386.80 × 338,637.36 - Step 4: Simplify right side
1,403,604.24x = 712,962,627,730.85 - Step 5: Solve for x
x = 712,962,627,730.85/1,403,604.24 - Step 6: Final answer
x = 507,951.32
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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.