Finding the Fourth Proportional to 1,864,803.84, 2,573,836.80 and 1,185,607.68
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Solution
The fourth proportional to 1,864,803.84, 2,573,836.80 and 1,185,607.68 is: 1,636,397.68
Step by Step Solution
- Step 1: Write the proportion equation
1,864,803.84 : 2,573,836.80 = 1,185,607.68 : x - Step 2: Convert to fraction form
1,864,803.84/2,573,836.80 = 1,185,607.68/x - Step 3: Cross multiply
1,864,803.84x = 2,573,836.80 × 1,185,607.68 - Step 4: Simplify right side
1,864,803.84x = 3,051,560,677,146.62 - Step 5: Solve for x
x = 3,051,560,677,146.62/1,864,803.84 - Step 6: Final answer
x = 1,636,397.68
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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.