Finding the Fourth Proportional to 1,679,811.14, 2,519,726.28 and 417,638.76
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Solution
The fourth proportional to 1,679,811.14, 2,519,726.28 and 417,638.76 is: 626,460.52
Step by Step Solution
- Step 1: Write the proportion equation
1,679,811.14 : 2,519,726.28 = 417,638.76 : x - Step 2: Convert to fraction form
1,679,811.14/2,519,726.28 = 417,638.76/x - Step 3: Cross multiply
1,679,811.14x = 2,519,726.28 × 417,638.76 - Step 4: Simplify right side
1,679,811.14x = 1,052,335,359,118.61 - Step 5: Solve for x
x = 1,052,335,359,118.61/1,679,811.14 - Step 6: Final answer
x = 626,460.52
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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.