Finding the Fourth Proportional to 3,929,987.68, 5,894,981.52 and 1,090,099.84
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Solution
The fourth proportional to 3,929,987.68, 5,894,981.52 and 1,090,099.84 is: 1,635,149.76
Step by Step Solution
- Step 1: Write the proportion equation
3,929,987.68 : 5,894,981.52 = 1,090,099.84 : x - Step 2: Convert to fraction form
3,929,987.68/5,894,981.52 = 1,090,099.84/x - Step 3: Cross multiply
3,929,987.68x = 5,894,981.52 × 1,090,099.84 - Step 4: Simplify right side
3,929,987.68x = 6,426,118,411,754.96 - Step 5: Solve for x
x = 6,426,118,411,754.96/3,929,987.68 - Step 6: Final answer
x = 1,635,149.76
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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.