Finding the Fourth Proportional to 1,549,774.84, 2,138,542.57 and 861,364.99
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Solution
The fourth proportional to 1,549,774.84, 2,138,542.57 and 861,364.99 is: 1,188,602.14
Step by Step Solution
- Step 1: Write the proportion equation
1,549,774.84 : 2,138,542.57 = 861,364.99 : x - Step 2: Convert to fraction form
1,549,774.84/2,138,542.57 = 861,364.99/x - Step 3: Cross multiply
1,549,774.84x = 2,138,542.57 × 861,364.99 - Step 4: Simplify right side
1,549,774.84x = 1,842,065,692,354.46 - Step 5: Solve for x
x = 1,842,065,692,354.46/1,549,774.84 - Step 6: Final answer
x = 1,188,602.14
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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.