Finding the Fourth Proportional to 3,139,803.08, 4,710,406.86 and 1,145,259.08
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Solution
The fourth proportional to 3,139,803.08, 4,710,406.86 and 1,145,259.08 is: 1,718,144.77
Step by Step Solution
- Step 1: Write the proportion equation
3,139,803.08 : 4,710,406.86 = 1,145,259.08 : x - Step 2: Convert to fraction form
3,139,803.08/4,710,406.86 = 1,145,259.08/x - Step 3: Cross multiply
3,139,803.08x = 4,710,406.86 × 1,145,259.08 - Step 4: Simplify right side
3,139,803.08x = 5,394,636,226,909.29 - Step 5: Solve for x
x = 5,394,636,226,909.29/3,139,803.08 - Step 6: Final answer
x = 1,718,144.77
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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.