Finding the Fourth Proportional to 5,212,320.96, 7,818,585.12 and 3,426,594.24
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Solution
The fourth proportional to 5,212,320.96, 7,818,585.12 and 3,426,594.24 is: 5,139,959.52
Step by Step Solution
- Step 1: Write the proportion equation
5,212,320.96 : 7,818,585.12 = 3,426,594.24 : x - Step 2: Convert to fraction form
5,212,320.96/7,818,585.12 = 3,426,594.24/x - Step 3: Cross multiply
5,212,320.96x = 7,818,585.12 × 3,426,594.24 - Step 4: Simplify right side
5,212,320.96x = 26,791,118,737,141.71 - Step 5: Solve for x
x = 26,791,118,737,141.71/5,212,320.96 - Step 6: Final answer
x = 5,139,959.52
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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.