Finding the Fourth Proportional to 2,390,415.84, 3,586,323.24 and 771,153.48
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Solution
The fourth proportional to 2,390,415.84, 3,586,323.24 and 771,153.48 is: 1,156,955.87
Step by Step Solution
- Step 1: Write the proportion equation
2,390,415.84 : 3,586,323.24 = 771,153.48 : x - Step 2: Convert to fraction form
2,390,415.84/3,586,323.24 = 771,153.48/x - Step 3: Cross multiply
2,390,415.84x = 3,586,323.24 × 771,153.48 - Step 4: Simplify right side
2,390,415.84x = 2,765,605,646,930.88 - Step 5: Solve for x
x = 2,765,605,646,930.88/2,390,415.84 - Step 6: Final answer
x = 1,156,955.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.