Finding the Fourth Proportional to 5,970,312.87, 8,955,420.11 and 1,710,485.21
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Solution
The fourth proportional to 5,970,312.87, 8,955,420.11 and 1,710,485.21 is: 2,565,713.71
Step by Step Solution
- Step 1: Write the proportion equation
5,970,312.87 : 8,955,420.11 = 1,710,485.21 : x - Step 2: Convert to fraction form
5,970,312.87/8,955,420.11 = 1,710,485.21/x - Step 3: Cross multiply
5,970,312.87x = 8,955,420.11 × 1,710,485.21 - Step 4: Simplify right side
5,970,312.87x = 15,318,113,594,162.05 - Step 5: Solve for x
x = 15,318,113,594,162.05/5,970,312.87 - Step 6: Final answer
x = 2,565,713.71
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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.