Finding the Fourth Proportional to 1,420,803.18, 2,132,552.12 and 879,421.82
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Solution
The fourth proportional to 1,420,803.18, 2,132,552.12 and 879,421.82 is: 1,319,966.68
Step by Step Solution
- Step 1: Write the proportion equation
1,420,803.18 : 2,132,552.12 = 879,421.82 : x - Step 2: Convert to fraction form
1,420,803.18/2,132,552.12 = 879,421.82/x - Step 3: Cross multiply
1,420,803.18x = 2,132,552.12 × 879,421.82 - Step 4: Simplify right side
1,420,803.18x = 1,875,412,851,555.39 - Step 5: Solve for x
x = 1,875,412,851,555.39/1,420,803.18 - Step 6: Final answer
x = 1,319,966.68
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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.