Finding the Fourth Proportional to 6,877,701.60, 10,316,552.40 and 6,239,972.40
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Solution
The fourth proportional to 6,877,701.60, 10,316,552.40 and 6,239,972.40 is: 9,359,958.60
Step by Step Solution
- Step 1: Write the proportion equation
6,877,701.60 : 10,316,552.40 = 6,239,972.40 : x - Step 2: Convert to fraction form
6,877,701.60/10,316,552.40 = 6,239,972.40/x - Step 3: Cross multiply
6,877,701.60x = 10,316,552.40 × 6,239,972.40 - Step 4: Simplify right side
6,877,701.60x = 64,375,002,239,153.77 - Step 5: Solve for x
x = 64,375,002,239,153.77/6,877,701.60 - Step 6: Final answer
x = 9,359,958.60
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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.