Finding the Fourth Proportional to 6,495,689.03, 9,724,120.88 and 3,929,136.80
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Solution
The fourth proportional to 6,495,689.03, 9,724,120.88 and 3,929,136.80 is: 5,881,962.79
Step by Step Solution
- Step 1: Write the proportion equation
6,495,689.03 : 9,724,120.88 = 3,929,136.80 : x - Step 2: Convert to fraction form
6,495,689.03/9,724,120.88 = 3,929,136.80/x - Step 3: Cross multiply
6,495,689.03x = 9,724,120.88 × 3,929,136.80 - Step 4: Simplify right side
6,495,689.03x = 38,207,401,128,990.09 - Step 5: Solve for x
x = 38,207,401,128,990.09/6,495,689.03 - Step 6: Final answer
x = 5,881,962.79
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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.