Finding the Fourth Proportional to 2,095,356.20, 3,138,368.70 and 1,815,420.20
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Solution
The fourth proportional to 2,095,356.20, 3,138,368.70 and 1,815,420.20 is: 2,719,088.02
Step by Step Solution
- Step 1: Write the proportion equation
2,095,356.20 : 3,138,368.70 = 1,815,420.20 : x - Step 2: Convert to fraction form
2,095,356.20/3,138,368.70 = 1,815,420.20/x - Step 3: Cross multiply
2,095,356.20x = 3,138,368.70 × 1,815,420.20 - Step 4: Simplify right side
2,095,356.20x = 5,697,457,933,027.74 - Step 5: Solve for x
x = 5,697,457,933,027.74/2,095,356.20 - Step 6: Final answer
x = 2,719,088.02
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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.