Finding the Fourth Proportional to 4,964,612.20, 7,446,918.30 and 1,773,341.80
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Solution
The fourth proportional to 4,964,612.20, 7,446,918.30 and 1,773,341.80 is: 2,660,012.70
Step by Step Solution
- Step 1: Write the proportion equation
4,964,612.20 : 7,446,918.30 = 1,773,341.80 : x - Step 2: Convert to fraction form
4,964,612.20/7,446,918.30 = 1,773,341.80/x - Step 3: Cross multiply
4,964,612.20x = 7,446,918.30 × 1,773,341.80 - Step 4: Simplify right side
4,964,612.20x = 13,205,931,502,574.94 - Step 5: Solve for x
x = 13,205,931,502,574.94/4,964,612.20 - Step 6: Final answer
x = 2,660,012.70
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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.