Finding the Fourth Proportional to 1,533,713.84, 2,116,276.18 and 889,008.12
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Solution
The fourth proportional to 1,533,713.84, 2,116,276.18 and 889,008.12 is: 1,226,686.92
Step by Step Solution
- Step 1: Write the proportion equation
1,533,713.84 : 2,116,276.18 = 889,008.12 : x - Step 2: Convert to fraction form
1,533,713.84/2,116,276.18 = 889,008.12/x - Step 3: Cross multiply
1,533,713.84x = 2,116,276.18 × 889,008.12 - Step 4: Simplify right side
1,533,713.84x = 1,881,386,708,182.58 - Step 5: Solve for x
x = 1,881,386,708,182.58/1,533,713.84 - Step 6: Final answer
x = 1,226,686.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.