Finding the Fourth Proportional to 2,328,878.13, 3,493,317.19 and 645,981.63
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Solution
The fourth proportional to 2,328,878.13, 3,493,317.19 and 645,981.63 is: 968,972.44
Step by Step Solution
- Step 1: Write the proportion equation
2,328,878.13 : 3,493,317.19 = 645,981.63 : x - Step 2: Convert to fraction form
2,328,878.13/3,493,317.19 = 645,981.63/x - Step 3: Cross multiply
2,328,878.13x = 3,493,317.19 × 645,981.63 - Step 4: Simplify right side
2,328,878.13x = 2,256,618,732,503.22 - Step 5: Solve for x
x = 2,256,618,732,503.22/2,328,878.13 - Step 6: Final answer
x = 968,972.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.