Finding the Fourth Proportional to 1,631,996.64, 2,252,206.08 and 896,937.57
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Solution
The fourth proportional to 1,631,996.64, 2,252,206.08 and 896,937.57 is: 1,237,801.72
Step by Step Solution
- Step 1: Write the proportion equation
1,631,996.64 : 2,252,206.08 = 896,937.57 : x - Step 2: Convert to fraction form
1,631,996.64/2,252,206.08 = 896,937.57/x - Step 3: Cross multiply
1,631,996.64x = 2,252,206.08 × 896,937.57 - Step 4: Simplify right side
1,631,996.64x = 2,020,088,248,534.43 - Step 5: Solve for x
x = 2,020,088,248,534.43/1,631,996.64 - Step 6: Final answer
x = 1,237,801.72
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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.