Finding the Fourth Proportional to 3,723,363.05, 5,138,460.99 and 2,803,970.12
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Solution
The fourth proportional to 3,723,363.05, 5,138,460.99 and 2,803,970.12 is: 3,869,644.43
Step by Step Solution
- Step 1: Write the proportion equation
3,723,363.05 : 5,138,460.99 = 2,803,970.12 : x - Step 2: Convert to fraction form
3,723,363.05/5,138,460.99 = 2,803,970.12/x - Step 3: Cross multiply
3,723,363.05x = 5,138,460.99 × 2,803,970.12 - Step 4: Simplify right side
3,723,363.05x = 14,408,091,053,053.32 - Step 5: Solve for x
x = 14,408,091,053,053.32/3,723,363.05 - Step 6: Final answer
x = 3,869,644.43
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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.