Finding the Fourth Proportional to 4,638,377, 6,401,263.02 and 2,678,337.80
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Solution
The fourth proportional to 4,638,377, 6,401,263.02 and 2,678,337.80 is: 3,696,280.99
Step by Step Solution
- Step 1: Write the proportion equation
4,638,377 : 6,401,263.02 = 2,678,337.80 : x - Step 2: Convert to fraction form
4,638,377/6,401,263.02 = 2,678,337.80/x - Step 3: Cross multiply
4,638,377x = 6,401,263.02 × 2,678,337.80 - Step 4: Simplify right side
4,638,377x = 17,144,744,714,208.15 - Step 5: Solve for x
x = 17,144,744,714,208.15/4,638,377 - Step 6: Final answer
x = 3,696,280.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.