Finding the Fourth Proportional to 5,221,210.08, 7,205,158.17 and 2,897,967.12
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Solution
The fourth proportional to 5,221,210.08, 7,205,158.17 and 2,897,967.12 is: 3,999,132.61
Step by Step Solution
- Step 1: Write the proportion equation
5,221,210.08 : 7,205,158.17 = 2,897,967.12 : x - Step 2: Convert to fraction form
5,221,210.08/7,205,158.17 = 2,897,967.12/x - Step 3: Cross multiply
5,221,210.08x = 7,205,158.17 × 2,897,967.12 - Step 4: Simplify right side
5,221,210.08x = 20,880,311,471,059.37 - Step 5: Solve for x
x = 20,880,311,471,059.37/5,221,210.08 - Step 6: Final answer
x = 3,999,132.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.