Finding the Fourth Proportional to 5,663,909.12, 8,492,714.40 and 1,875,325.28
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Solution
The fourth proportional to 5,663,909.12, 8,492,714.40 and 1,875,325.28 is: 2,811,945.19
Step by Step Solution
- Step 1: Write the proportion equation
5,663,909.12 : 8,492,714.40 = 1,875,325.28 : x - Step 2: Convert to fraction form
5,663,909.12/8,492,714.40 = 1,875,325.28/x - Step 3: Cross multiply
5,663,909.12x = 8,492,714.40 × 1,875,325.28 - Step 4: Simplify right side
5,663,909.12x = 15,926,602,010,140.03 - Step 5: Solve for x
x = 15,926,602,010,140.03/5,663,909.12 - Step 6: Final answer
x = 2,811,945.19
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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.