Finding the Fourth Proportional to 2,026,801.08, 2,796,710.08 and 1,210,832.05
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Solution
The fourth proportional to 2,026,801.08, 2,796,710.08 and 1,210,832.05 is: 1,670,783.70
Step by Step Solution
- Step 1: Write the proportion equation
2,026,801.08 : 2,796,710.08 = 1,210,832.05 : x - Step 2: Convert to fraction form
2,026,801.08/2,796,710.08 = 1,210,832.05/x - Step 3: Cross multiply
2,026,801.08x = 2,796,710.08 × 1,210,832.05 - Step 4: Simplify right side
2,026,801.08x = 3,386,346,199,422.06 - Step 5: Solve for x
x = 3,386,346,199,422.06/2,026,801.08 - Step 6: Final answer
x = 1,670,783.70
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1.5x scale
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.