Finding the Fourth Proportional to 1,513,340.42, 2,088,038.49 and 997,037.06
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Solution
The fourth proportional to 1,513,340.42, 2,088,038.49 and 997,037.06 is: 1,375,666.53
Step by Step Solution
- Step 1: Write the proportion equation
1,513,340.42 : 2,088,038.49 = 997,037.06 : x - Step 2: Convert to fraction form
1,513,340.42/2,088,038.49 = 997,037.06/x - Step 3: Cross multiply
1,513,340.42x = 2,088,038.49 × 997,037.06 - Step 4: Simplify right side
1,513,340.42x = 2,081,851,757,236.44 - Step 5: Solve for x
x = 2,081,851,757,236.44/1,513,340.42 - Step 6: Final answer
x = 1,375,666.53
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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.