Finding the Fourth Proportional to 7,218,210.35, 10,827,981.10 and 2,360,542.05
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Solution
The fourth proportional to 7,218,210.35, 10,827,981.10 and 2,360,542.05 is: 3,541,030.74
Step by Step Solution
- Step 1: Write the proportion equation
7,218,210.35 : 10,827,981.10 = 2,360,542.05 : x - Step 2: Convert to fraction form
7,218,210.35/10,827,981.10 = 2,360,542.05/x - Step 3: Cross multiply
7,218,210.35x = 10,827,981.10 × 2,360,542.05 - Step 4: Simplify right side
7,218,210.35x = 25,559,904,697,253.90 - Step 5: Solve for x
x = 25,559,904,697,253.90/7,218,210.35 - Step 6: Final answer
x = 3,541,030.74
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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.