Finding the Fourth Proportional to 3,221,570.80, 4,832,356.20 and 977,705.20
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Solution
The fourth proportional to 3,221,570.80, 4,832,356.20 and 977,705.20 is: 1,466,557.80
Step by Step Solution
- Step 1: Write the proportion equation
3,221,570.80 : 4,832,356.20 = 977,705.20 : x - Step 2: Convert to fraction form
3,221,570.80/4,832,356.20 = 977,705.20/x - Step 3: Cross multiply
3,221,570.80x = 4,832,356.20 × 977,705.20 - Step 4: Simplify right side
3,221,570.80x = 4,724,619,784,992.24 - Step 5: Solve for x
x = 4,724,619,784,992.24/3,221,570.80 - Step 6: Final answer
x = 1,466,557.80
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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.