Finding the Fourth Proportional to 1,376,135.84, 1,899,069.36 and 772,528.16
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Solution
The fourth proportional to 1,376,135.84, 1,899,069.36 and 772,528.16 is: 1,066,089.93
Step by Step Solution
- Step 1: Write the proportion equation
1,376,135.84 : 1,899,069.36 = 772,528.16 : x - Step 2: Convert to fraction form
1,376,135.84/1,899,069.36 = 772,528.16/x - Step 3: Cross multiply
1,376,135.84x = 1,899,069.36 × 772,528.16 - Step 4: Simplify right side
1,376,135.84x = 1,467,084,558,393.18 - Step 5: Solve for x
x = 1,467,084,558,393.18/1,376,135.84 - Step 6: Final answer
x = 1,066,089.93
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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.