Finding the Fourth Proportional to 3,830,270.78, 5,746,246.95 and 1,134,807.05
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Solution
The fourth proportional to 3,830,270.78, 5,746,246.95 and 1,134,807.05 is: 1,702,459.67
Step by Step Solution
- Step 1: Write the proportion equation
3,830,270.78 : 5,746,246.95 = 1,134,807.05 : x - Step 2: Convert to fraction form
3,830,270.78/5,746,246.95 = 1,134,807.05/x - Step 3: Cross multiply
3,830,270.78x = 5,746,246.95 × 1,134,807.05 - Step 4: Simplify right side
3,830,270.78x = 6,520,881,521,169.76 - Step 5: Solve for x
x = 6,520,881,521,169.76/3,830,270.78 - Step 6: Final answer
x = 1,702,459.67
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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.