Finding the Fourth Proportional to 1,487,031.94, 2,230,543.59 and 422,074.99
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Solution
The fourth proportional to 1,487,031.94, 2,230,543.59 and 422,074.99 is: 633,111.26
Step by Step Solution
- Step 1: Write the proportion equation
1,487,031.94 : 2,230,543.59 = 422,074.99 : x - Step 2: Convert to fraction form
1,487,031.94/2,230,543.59 = 422,074.99/x - Step 3: Cross multiply
1,487,031.94x = 2,230,543.59 × 422,074.99 - Step 4: Simplify right side
1,487,031.94x = 941,456,663,443.81 - Step 5: Solve for x
x = 941,456,663,443.81/1,487,031.94 - Step 6: Final answer
x = 633,111.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.