Finding the Fourth Proportional to 4,581,621.90, 6,873,210.45 and 1,386,722.70
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Solution
The fourth proportional to 4,581,621.90, 6,873,210.45 and 1,386,722.70 is: 2,080,319.41
Step by Step Solution
- Step 1: Write the proportion equation
4,581,621.90 : 6,873,210.45 = 1,386,722.70 : x - Step 2: Convert to fraction form
4,581,621.90/6,873,210.45 = 1,386,722.70/x - Step 3: Cross multiply
4,581,621.90x = 6,873,210.45 × 1,386,722.70 - Step 4: Simplify right side
4,581,621.90x = 9,531,236,952,892.22 - Step 5: Solve for x
x = 9,531,236,952,892.22/4,581,621.90 - Step 6: Final answer
x = 2,080,319.41
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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.