Finding the Fourth Proportional to 2,653,248.21, 3,981,415.16 and 1,116,130.95
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Solution
The fourth proportional to 2,653,248.21, 3,981,415.16 and 1,116,130.95 is: 1,674,845.45
Step by Step Solution
- Step 1: Write the proportion equation
2,653,248.21 : 3,981,415.16 = 1,116,130.95 : x - Step 2: Convert to fraction form
2,653,248.21/3,981,415.16 = 1,116,130.95/x - Step 3: Cross multiply
2,653,248.21x = 3,981,415.16 × 1,116,130.95 - Step 4: Simplify right side
2,653,248.21x = 4,443,780,684,875.20 - Step 5: Solve for x
x = 4,443,780,684,875.20/2,653,248.21 - Step 6: Final answer
x = 1,674,845.45
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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.