Finding the Fourth Proportional to 2,635,602.12, 3,637,215.48 and 1,718,423.76
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Solution
The fourth proportional to 2,635,602.12, 3,637,215.48 and 1,718,423.76 is: 2,371,479.92
Step by Step Solution
- Step 1: Write the proportion equation
2,635,602.12 : 3,637,215.48 = 1,718,423.76 : x - Step 2: Convert to fraction form
2,635,602.12/3,637,215.48 = 1,718,423.76/x - Step 3: Cross multiply
2,635,602.12x = 3,637,215.48 × 1,718,423.76 - Step 4: Simplify right side
2,635,602.12x = 6,250,277,501,071.81 - Step 5: Solve for x
x = 6,250,277,501,071.81/2,635,602.12 - Step 6: Final answer
x = 2,371,479.92
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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.