Finding the Fourth Proportional to 3,403,128.35, 4,696,544.68 and 1,875,235.47
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Solution
The fourth proportional to 3,403,128.35, 4,696,544.68 and 1,875,235.47 is: 2,587,950.34
Step by Step Solution
- Step 1: Write the proportion equation
3,403,128.35 : 4,696,544.68 = 1,875,235.47 : x - Step 2: Convert to fraction form
3,403,128.35/4,696,544.68 = 1,875,235.47/x - Step 3: Cross multiply
3,403,128.35x = 4,696,544.68 × 1,875,235.47 - Step 4: Simplify right side
3,403,128.35x = 8,807,127,170,375.80 - Step 5: Solve for x
x = 8,807,127,170,375.80/3,403,128.35 - Step 6: Final answer
x = 2,587,950.34
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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.