Finding the Fourth Proportional to 2,457,386.45, 3,391,209.05 and 1,369,726.99
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Solution
The fourth proportional to 2,457,386.45, 3,391,209.05 and 1,369,726.99 is: 1,890,232.02
Step by Step Solution
- Step 1: Write the proportion equation
2,457,386.45 : 3,391,209.05 = 1,369,726.99 : x - Step 2: Convert to fraction form
2,457,386.45/3,391,209.05 = 1,369,726.99/x - Step 3: Cross multiply
2,457,386.45x = 3,391,209.05 × 1,369,726.99 - Step 4: Simplify right side
2,457,386.45x = 4,645,030,568,266.15 - Step 5: Solve for x
x = 4,645,030,568,266.15/2,457,386.45 - Step 6: Final answer
x = 1,890,232.02
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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.