Finding the Fourth Proportional to 1,689,763.21, 2,331,091.57 and 1,496,368.02
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Solution
The fourth proportional to 1,689,763.21, 2,331,091.57 and 1,496,368.02 is: 2,064,295.67
Step by Step Solution
- Step 1: Write the proportion equation
1,689,763.21 : 2,331,091.57 = 1,496,368.02 : x - Step 2: Convert to fraction form
1,689,763.21/2,331,091.57 = 1,496,368.02/x - Step 3: Cross multiply
1,689,763.21x = 2,331,091.57 × 1,496,368.02 - Step 4: Simplify right side
1,689,763.21x = 3,488,170,877,039.59 - Step 5: Solve for x
x = 3,488,170,877,039.59/1,689,763.21 - Step 6: Final answer
x = 2,064,295.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.