Finding the Fourth Proportional to 5,598,398.32, 8,398,930.13 and 1,811,881.19
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Solution
The fourth proportional to 5,598,398.32, 8,398,930.13 and 1,811,881.19 is: 2,718,253.09
Step by Step Solution
- Step 1: Write the proportion equation
5,598,398.32 : 8,398,930.13 = 1,811,881.19 : x - Step 2: Convert to fraction form
5,598,398.32/8,398,930.13 = 1,811,881.19/x - Step 3: Cross multiply
5,598,398.32x = 8,398,930.13 × 1,811,881.19 - Step 4: Simplify right side
5,598,398.32x = 15,217,863,518,671.26 - Step 5: Solve for x
x = 15,217,863,518,671.26/5,598,398.32 - Step 6: Final answer
x = 2,718,253.09
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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.