Finding the Fourth Proportional to 3,126,508.41, 4,663,476.09 and 2,839,486.53
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Solution
The fourth proportional to 3,126,508.41, 4,663,476.09 and 2,839,486.53 is: 4,235,356.45
Step by Step Solution
- Step 1: Write the proportion equation
3,126,508.41 : 4,663,476.09 = 2,839,486.53 : x - Step 2: Convert to fraction form
3,126,508.41/4,663,476.09 = 2,839,486.53/x - Step 3: Cross multiply
3,126,508.41x = 4,663,476.09 × 2,839,486.53 - Step 4: Simplify right side
3,126,508.41x = 13,241,877,547,630.78 - Step 5: Solve for x
x = 13,241,877,547,630.78/3,126,508.41 - Step 6: Final answer
x = 4,235,356.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.