Finding the Fourth Proportional to 1,936,963.05, 2,671,417.22 and 1,719,330.63
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Solution
The fourth proportional to 1,936,963.05, 2,671,417.22 and 1,719,330.63 is: 2,371,263.33
Step by Step Solution
- Step 1: Write the proportion equation
1,936,963.05 : 2,671,417.22 = 1,719,330.63 : x - Step 2: Convert to fraction form
1,936,963.05/2,671,417.22 = 1,719,330.63/x - Step 3: Cross multiply
1,936,963.05x = 2,671,417.22 × 1,719,330.63 - Step 4: Simplify right side
1,936,963.05x = 4,593,049,451,855.45 - Step 5: Solve for x
x = 4,593,049,451,855.45/1,936,963.05 - Step 6: Final answer
x = 2,371,263.33
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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.