Finding the Fourth Proportional to 1,411,988.55, 2,116,740.62 and 559,658.47
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Solution
The fourth proportional to 1,411,988.55, 2,116,740.62 and 559,658.47 is: 838,995.34
Step by Step Solution
- Step 1: Write the proportion equation
1,411,988.55 : 2,116,740.62 = 559,658.47 : x - Step 2: Convert to fraction form
1,411,988.55/2,116,740.62 = 559,658.47/x - Step 3: Cross multiply
1,411,988.55x = 2,116,740.62 × 559,658.47 - Step 4: Simplify right side
1,411,988.55x = 1,184,651,812,883.35 - Step 5: Solve for x
x = 1,184,651,812,883.35/1,411,988.55 - Step 6: Final answer
x = 838,995.34
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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.