Finding the Fourth Proportional to 1,487,969.42, 2,053,587.75 and 876,179.12
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Solution
The fourth proportional to 1,487,969.42, 2,053,587.75 and 876,179.12 is: 1,209,239.03
Step by Step Solution
- Step 1: Write the proportion equation
1,487,969.42 : 2,053,587.75 = 876,179.12 : x - Step 2: Convert to fraction form
1,487,969.42/2,053,587.75 = 876,179.12/x - Step 3: Cross multiply
1,487,969.42x = 2,053,587.75 × 876,179.12 - Step 4: Simplify right side
1,487,969.42x = 1,799,310,697,369.84 - Step 5: Solve for x
x = 1,799,310,697,369.84/1,487,969.42 - Step 6: Final answer
x = 1,209,239.03
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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.