Finding the Fourth Proportional to 3,154,068.18, 4,352,616.45 and 1,703,763.63
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Solution
The fourth proportional to 3,154,068.18, 4,352,616.45 and 1,703,763.63 is: 2,351,195.09
Step by Step Solution
- Step 1: Write the proportion equation
3,154,068.18 : 4,352,616.45 = 1,703,763.63 : x - Step 2: Convert to fraction form
3,154,068.18/4,352,616.45 = 1,703,763.63/x - Step 3: Cross multiply
3,154,068.18x = 4,352,616.45 × 1,703,763.63 - Step 4: Simplify right side
3,154,068.18x = 7,415,829,602,849.71 - Step 5: Solve for x
x = 7,415,829,602,849.71/3,154,068.18 - Step 6: Final answer
x = 2,351,195.09
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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.