Finding the Fourth Proportional to 4,721,000.90, 7,081,501.35 and 4,358,833.70
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Solution
The fourth proportional to 4,721,000.90, 7,081,501.35 and 4,358,833.70 is: 6,538,250.55
Step by Step Solution
- Step 1: Write the proportion equation
4,721,000.90 : 7,081,501.35 = 4,358,833.70 : x - Step 2: Convert to fraction form
4,721,000.90/7,081,501.35 = 4,358,833.70/x - Step 3: Cross multiply
4,721,000.90x = 7,081,501.35 × 4,358,833.70 - Step 4: Simplify right side
4,721,000.90x = 30,867,086,730,975.50 - Step 5: Solve for x
x = 30,867,086,730,975.50/4,721,000.90 - Step 6: Final answer
x = 6,538,250.55
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1.5x scale
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.