Finding the Fourth Proportional to 1,492,061.08, 2,238,753.14 and 781,920.28
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Solution
The fourth proportional to 1,492,061.08, 2,238,753.14 and 781,920.28 is: 1,173,227.09
Step by Step Solution
- Step 1: Write the proportion equation
1,492,061.08 : 2,238,753.14 = 781,920.28 : x - Step 2: Convert to fraction form
1,492,061.08/2,238,753.14 = 781,920.28/x - Step 3: Cross multiply
1,492,061.08x = 2,238,753.14 × 781,920.28 - Step 4: Simplify right side
1,492,061.08x = 1,750,526,482,079.68 - Step 5: Solve for x
x = 1,750,526,482,079.68/1,492,061.08 - Step 6: Final answer
x = 1,173,227.09
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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.