Finding the Fourth Proportional to 1,671,276.88, 2,306,390.12 and 907,330.51
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Solution
The fourth proportional to 1,671,276.88, 2,306,390.12 and 907,330.51 is: 1,252,131.32
Step by Step Solution
- Step 1: Write the proportion equation
1,671,276.88 : 2,306,390.12 = 907,330.51 : x - Step 2: Convert to fraction form
1,671,276.88/2,306,390.12 = 907,330.51/x - Step 3: Cross multiply
1,671,276.88x = 2,306,390.12 × 907,330.51 - Step 4: Simplify right side
1,671,276.88x = 2,092,658,123,838.56 - Step 5: Solve for x
x = 2,092,658,123,838.56/1,671,276.88 - Step 6: Final answer
x = 1,252,131.32
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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.