Finding the Fourth Proportional to 4,069,805.90, 6,104,708.85 and 1,230,356.30
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Solution
The fourth proportional to 4,069,805.90, 6,104,708.85 and 1,230,356.30 is: 1,845,534.45
Step by Step Solution
- Step 1: Write the proportion equation
4,069,805.90 : 6,104,708.85 = 1,230,356.30 : x - Step 2: Convert to fraction form
4,069,805.90/6,104,708.85 = 1,230,356.30/x - Step 3: Cross multiply
4,069,805.90x = 6,104,708.85 × 1,230,356.30 - Step 4: Simplify right side
4,069,805.90x = 7,510,966,993,263.26 - Step 5: Solve for x
x = 7,510,966,993,263.26/4,069,805.90 - Step 6: Final answer
x = 1,845,534.45
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1.5x scale
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.