Finding the Fourth Proportional to 1,676,359.05, 2,313,424.86 and 1,187,203.71
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Solution
The fourth proportional to 1,676,359.05, 2,313,424.86 and 1,187,203.71 is: 1,638,376.08
Step by Step Solution
- Step 1: Write the proportion equation
1,676,359.05 : 2,313,424.86 = 1,187,203.71 : x - Step 2: Convert to fraction form
1,676,359.05/2,313,424.86 = 1,187,203.71/x - Step 3: Cross multiply
1,676,359.05x = 2,313,424.86 × 1,187,203.71 - Step 4: Simplify right side
1,676,359.05x = 2,746,506,576,598.23 - Step 5: Solve for x
x = 2,746,506,576,598.23/1,676,359.05 - Step 6: Final answer
x = 1,638,376.08
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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.