Finding the Fourth Proportional to 1,513,603.11, 2,270,412.86 and 391,672.11
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Solution
The fourth proportional to 1,513,603.11, 2,270,412.86 and 391,672.11 is: 587,510.28
Step by Step Solution
- Step 1: Write the proportion equation
1,513,603.11 : 2,270,412.86 = 391,672.11 : x - Step 2: Convert to fraction form
1,513,603.11/2,270,412.86 = 391,672.11/x - Step 3: Cross multiply
1,513,603.11x = 2,270,412.86 × 391,672.11 - Step 4: Simplify right side
1,513,603.11x = 889,257,392,536.68 - Step 5: Solve for x
x = 889,257,392,536.68/1,513,603.11 - Step 6: Final answer
x = 587,510.28
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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.