Finding the Fourth Proportional to 1,512,726.39, 2,087,562.75 and 824,398.41
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Solution
The fourth proportional to 1,512,726.39, 2,087,562.75 and 824,398.41 is: 1,137,669.99
Step by Step Solution
- Step 1: Write the proportion equation
1,512,726.39 : 2,087,562.75 = 824,398.41 : x - Step 2: Convert to fraction form
1,512,726.39/2,087,562.75 = 824,398.41/x - Step 3: Cross multiply
1,512,726.39x = 2,087,562.75 × 824,398.41 - Step 4: Simplify right side
1,512,726.39x = 1,720,983,411,875.23 - Step 5: Solve for x
x = 1,720,983,411,875.23/1,512,726.39 - Step 6: Final answer
x = 1,137,669.99
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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.