Finding the Fourth Proportional to 2,011,781.66, 2,776,203.30 and 1,106,363.66
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Solution
The fourth proportional to 2,011,781.66, 2,776,203.30 and 1,106,363.66 is: 1,526,751.39
Step by Step Solution
- Step 1: Write the proportion equation
2,011,781.66 : 2,776,203.30 = 1,106,363.66 : x - Step 2: Convert to fraction form
2,011,781.66/2,776,203.30 = 1,106,363.66/x - Step 3: Cross multiply
2,011,781.66x = 2,776,203.30 × 1,106,363.66 - Step 4: Simplify right side
2,011,781.66x = 3,071,490,443,892.08 - Step 5: Solve for x
x = 3,071,490,443,892.08/2,011,781.66 - Step 6: Final answer
x = 1,526,751.39
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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.