Finding the Fourth Proportional to 4,808,132.71, 6,635,172.79 and 2,602,946.21
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Solution
The fourth proportional to 4,808,132.71, 6,635,172.79 and 2,602,946.21 is: 3,592,038.51
Step by Step Solution
- Step 1: Write the proportion equation
4,808,132.71 : 6,635,172.79 = 2,602,946.21 : x - Step 2: Convert to fraction form
4,808,132.71/6,635,172.79 = 2,602,946.21/x - Step 3: Cross multiply
4,808,132.71x = 6,635,172.79 × 2,602,946.21 - Step 4: Simplify right side
4,808,132.71x = 17,270,997,885,166.93 - Step 5: Solve for x
x = 17,270,997,885,166.93/4,808,132.71 - Step 6: Final answer
x = 3,592,038.51
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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.