Finding the Fourth Proportional to 3,369,630.84, 4,650,089.58 and 1,919,460.60
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Solution
The fourth proportional to 3,369,630.84, 4,650,089.58 and 1,919,460.60 is: 2,648,855.07
Step by Step Solution
- Step 1: Write the proportion equation
3,369,630.84 : 4,650,089.58 = 1,919,460.60 : x - Step 2: Convert to fraction form
3,369,630.84/4,650,089.58 = 1,919,460.60/x - Step 3: Cross multiply
3,369,630.84x = 4,650,089.58 × 1,919,460.60 - Step 4: Simplify right side
3,369,630.84x = 8,925,663,735,280.55 - Step 5: Solve for x
x = 8,925,663,735,280.55/3,369,630.84 - Step 6: Final answer
x = 2,648,855.07
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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.