Finding the Fourth Proportional to 1,684,415.80, 2,526,623.70 and 1,418,695.30
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Solution
The fourth proportional to 1,684,415.80, 2,526,623.70 and 1,418,695.30 is: 2,128,042.95
Step by Step Solution
- Step 1: Write the proportion equation
1,684,415.80 : 2,526,623.70 = 1,418,695.30 : x - Step 2: Convert to fraction form
1,684,415.80/2,526,623.70 = 1,418,695.30/x - Step 3: Cross multiply
1,684,415.80x = 2,526,623.70 × 1,418,695.30 - Step 4: Simplify right side
1,684,415.80x = 3,584,509,168,058.61 - Step 5: Solve for x
x = 3,584,509,168,058.61/1,684,415.80 - Step 6: Final answer
x = 2,128,042.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.