Finding the Fourth Proportional to 6,893,178.40, 9,506,393.58 and 4,315,094.20
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Solution
The fourth proportional to 6,893,178.40, 9,506,393.58 and 4,315,094.20 is: 5,950,953.45
Step by Step Solution
- Step 1: Write the proportion equation
6,893,178.40 : 9,506,393.58 = 4,315,094.20 : x - Step 2: Convert to fraction form
6,893,178.40/9,506,393.58 = 4,315,094.20/x - Step 3: Cross multiply
6,893,178.40x = 9,506,393.58 × 4,315,094.20 - Step 4: Simplify right side
6,893,178.40x = 41,020,983,799,975.23 - Step 5: Solve for x
x = 41,020,983,799,975.23/6,893,178.40 - Step 6: Final answer
x = 5,950,953.45
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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.