Finding the Fourth Proportional to 4,811,628, 6,640,046.64 and 2,877,970.08
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Solution
The fourth proportional to 4,811,628, 6,640,046.64 and 2,877,970.08 is: 3,971,598.71
Step by Step Solution
- Step 1: Write the proportion equation
4,811,628 : 6,640,046.64 = 2,877,970.08 : x - Step 2: Convert to fraction form
4,811,628/6,640,046.64 = 2,877,970.08/x - Step 3: Cross multiply
4,811,628x = 6,640,046.64 × 2,877,970.08 - Step 4: Simplify right side
4,811,628x = 19,109,855,559,724.53 - Step 5: Solve for x
x = 19,109,855,559,724.53/4,811,628 - Step 6: Final answer
x = 3,971,598.71
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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.