Finding the Fourth Proportional to 4,326,073.92, 6,489,132.75 and 1,131,207.12
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Solution
The fourth proportional to 4,326,073.92, 6,489,132.75 and 1,131,207.12 is: 1,696,816.40
Step by Step Solution
- Step 1: Write the proportion equation
4,326,073.92 : 6,489,132.75 = 1,131,207.12 : x - Step 2: Convert to fraction form
4,326,073.92/6,489,132.75 = 1,131,207.12/x - Step 3: Cross multiply
4,326,073.92x = 6,489,132.75 × 1,131,207.12 - Step 4: Simplify right side
4,326,073.92x = 7,340,553,169,425.18 - Step 5: Solve for x
x = 7,340,553,169,425.18/4,326,073.92 - Step 6: Final answer
x = 1,696,816.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.