Finding the Fourth Proportional to 2,943,521.99, 4,415,283.05 and 921,924.08
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Solution
The fourth proportional to 2,943,521.99, 4,415,283.05 and 921,924.08 is: 1,382,886.14
Step by Step Solution
- Step 1: Write the proportion equation
2,943,521.99 : 4,415,283.05 = 921,924.08 : x - Step 2: Convert to fraction form
2,943,521.99/4,415,283.05 = 921,924.08/x - Step 3: Cross multiply
2,943,521.99x = 4,415,283.05 × 921,924.08 - Step 4: Simplify right side
2,943,521.99x = 4,070,555,763,810.84 - Step 5: Solve for x
x = 4,070,555,763,810.84/2,943,521.99 - Step 6: Final answer
x = 1,382,886.14
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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.