Finding the Fourth Proportional to 3,553,830.12, 5,330,740.86 and 1,157,670.84
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Solution
The fourth proportional to 3,553,830.12, 5,330,740.86 and 1,157,670.84 is: 1,736,504.85
Step by Step Solution
- Step 1: Write the proportion equation
3,553,830.12 : 5,330,740.86 = 1,157,670.84 : x - Step 2: Convert to fraction form
3,553,830.12/5,330,740.86 = 1,157,670.84/x - Step 3: Cross multiply
3,553,830.12x = 5,330,740.86 × 1,157,670.84 - Step 4: Simplify right side
3,553,830.12x = 6,171,243,249,218.52 - Step 5: Solve for x
x = 6,171,243,249,218.52/3,553,830.12 - Step 6: Final answer
x = 1,736,504.85
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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.