Finding the Fourth Proportional to 2,860,916.71, 4,290,709.82 and 1,064,646.13
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Solution
The fourth proportional to 2,860,916.71, 4,290,709.82 and 1,064,646.13 is: 1,596,721.63
Step by Step Solution
- Step 1: Write the proportion equation
2,860,916.71 : 4,290,709.82 = 1,064,646.13 : x - Step 2: Convert to fraction form
2,860,916.71/4,290,709.82 = 1,064,646.13/x - Step 3: Cross multiply
2,860,916.71x = 4,290,709.82 × 1,064,646.13 - Step 4: Simplify right side
2,860,916.71x = 4,568,087,588,765.99 - Step 5: Solve for x
x = 4,568,087,588,765.99/2,860,916.71 - Step 6: Final answer
x = 1,596,721.63
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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.