Finding the Fourth Proportional to 4,753,432.20, 7,130,577.06 and 1,341,756.48
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Solution
The fourth proportional to 4,753,432.20, 7,130,577.06 and 1,341,756.48 is: 2,012,755.75
Step by Step Solution
- Step 1: Write the proportion equation
4,753,432.20 : 7,130,577.06 = 1,341,756.48 : x - Step 2: Convert to fraction form
4,753,432.20/7,130,577.06 = 1,341,756.48/x - Step 3: Cross multiply
4,753,432.20x = 7,130,577.06 × 1,341,756.48 - Step 4: Simplify right side
4,753,432.20x = 9,567,497,976,394.35 - Step 5: Solve for x
x = 9,567,497,976,394.35/4,753,432.20 - Step 6: Final answer
x = 2,012,755.75
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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.