Finding the Fourth Proportional to 4,312,994.82, 6,468,385.06 and 1,279,643.08
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Solution
The fourth proportional to 4,312,994.82, 6,468,385.06 and 1,279,643.08 is: 1,919,136.12
Step by Step Solution
- Step 1: Write the proportion equation
4,312,994.82 : 6,468,385.06 = 1,279,643.08 : x - Step 2: Convert to fraction form
4,312,994.82/6,468,385.06 = 1,279,643.08/x - Step 3: Cross multiply
4,312,994.82x = 6,468,385.06 × 1,279,643.08 - Step 4: Simplify right side
4,312,994.82x = 8,277,224,148,462.46 - Step 5: Solve for x
x = 8,277,224,148,462.46/4,312,994.82 - Step 6: Final answer
x = 1,919,136.12
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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.