Finding the Fourth Proportional to 4,238,426.64, 5,847,597.32 and 2,402,688.08
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Solution
The fourth proportional to 4,238,426.64, 5,847,597.32 and 2,402,688.08 is: 3,314,898.09
Step by Step Solution
- Step 1: Write the proportion equation
4,238,426.64 : 5,847,597.32 = 2,402,688.08 : x - Step 2: Convert to fraction form
4,238,426.64/5,847,597.32 = 2,402,688.08/x - Step 3: Cross multiply
4,238,426.64x = 5,847,597.32 × 2,402,688.08 - Step 4: Simplify right side
4,238,426.64x = 14,049,952,377,403.95 - Step 5: Solve for x
x = 14,049,952,377,403.95/4,238,426.64 - Step 6: Final answer
x = 3,314,898.09
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1.5x scale
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.