Finding the Fourth Proportional to 5,343,098.18, 8,009,890.38 and 1,930,623.68
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Solution
The fourth proportional to 5,343,098.18, 8,009,890.38 and 1,930,623.68 is: 2,894,216.71
Step by Step Solution
- Step 1: Write the proportion equation
5,343,098.18 : 8,009,890.38 = 1,930,623.68 : x - Step 2: Convert to fraction form
5,343,098.18/8,009,890.38 = 1,930,623.68/x - Step 3: Cross multiply
5,343,098.18x = 8,009,890.38 × 1,930,623.68 - Step 4: Simplify right side
5,343,098.18x = 15,464,084,041,832.20 - Step 5: Solve for x
x = 15,464,084,041,832.20/5,343,098.18 - Step 6: Final answer
x = 2,894,216.71
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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.