Finding the Fourth Proportional to 1,935,621.88, 2,671,307.80 and 1,161,281.84
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Solution
The fourth proportional to 1,935,621.88, 2,671,307.80 and 1,161,281.84 is: 1,602,658.70
Step by Step Solution
- Step 1: Write the proportion equation
1,935,621.88 : 2,671,307.80 = 1,161,281.84 : x - Step 2: Convert to fraction form
1,935,621.88/2,671,307.80 = 1,161,281.84/x - Step 3: Cross multiply
1,935,621.88x = 2,671,307.80 × 1,161,281.84 - Step 4: Simplify right side
1,935,621.88x = 3,102,141,237,190.35 - Step 5: Solve for x
x = 3,102,141,237,190.35/1,935,621.88 - Step 6: Final answer
x = 1,602,658.70
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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.