Finding the Fourth Proportional to 5,153,558.20, 7,730,337.30 and 3,641,903.80
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Solution
The fourth proportional to 5,153,558.20, 7,730,337.30 and 3,641,903.80 is: 5,462,855.70
Step by Step Solution
- Step 1: Write the proportion equation
5,153,558.20 : 7,730,337.30 = 3,641,903.80 : x - Step 2: Convert to fraction form
5,153,558.20/7,730,337.30 = 3,641,903.80/x - Step 3: Cross multiply
5,153,558.20x = 7,730,337.30 × 3,641,903.80 - Step 4: Simplify right side
5,153,558.20x = 28,153,144,788,151.74 - Step 5: Solve for x
x = 28,153,144,788,151.74/5,153,558.20 - Step 6: Final answer
x = 5,462,855.70
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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.