Finding the Fourth Proportional to 2,984,891.68, 4,119,164.18 and 1,695,802.80
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Solution
The fourth proportional to 2,984,891.68, 4,119,164.18 and 1,695,802.80 is: 2,340,215.63
Step by Step Solution
- Step 1: Write the proportion equation
2,984,891.68 : 4,119,164.18 = 1,695,802.80 : x - Step 2: Convert to fraction form
2,984,891.68/4,119,164.18 = 1,695,802.80/x - Step 3: Cross multiply
2,984,891.68x = 4,119,164.18 × 1,695,802.80 - Step 4: Simplify right side
2,984,891.68x = 6,985,290,163,430.82 - Step 5: Solve for x
x = 6,985,290,163,430.82/2,984,891.68 - Step 6: Final answer
x = 2,340,215.63
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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.