Finding the Fourth Proportional to 4,702,364.17, 7,053,483.20 and 1,290,646.74
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Solution
The fourth proportional to 4,702,364.17, 7,053,483.20 and 1,290,646.74 is: 1,935,952.80
Step by Step Solution
- Step 1: Write the proportion equation
4,702,364.17 : 7,053,483.20 = 1,290,646.74 : x - Step 2: Convert to fraction form
4,702,364.17/7,053,483.20 = 1,290,646.74/x - Step 3: Cross multiply
4,702,364.17x = 7,053,483.20 × 1,290,646.74 - Step 4: Simplify right side
4,702,364.17x = 9,103,555,067,283.51 - Step 5: Solve for x
x = 9,103,555,067,283.51/4,702,364.17 - Step 6: Final answer
x = 1,935,952.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.