Finding the Fourth Proportional to 1,449,877.76, 2,000,988.08 and 877,233.68
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Solution
The fourth proportional to 1,449,877.76, 2,000,988.08 and 877,233.68 is: 1,210,677.33
Step by Step Solution
- Step 1: Write the proportion equation
1,449,877.76 : 2,000,988.08 = 877,233.68 : x - Step 2: Convert to fraction form
1,449,877.76/2,000,988.08 = 877,233.68/x - Step 3: Cross multiply
1,449,877.76x = 2,000,988.08 × 877,233.68 - Step 4: Simplify right side
1,449,877.76x = 1,755,334,137,054.53 - Step 5: Solve for x
x = 1,755,334,137,054.53/1,449,877.76 - Step 6: Final answer
x = 1,210,677.33
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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.