Finding the Fourth Proportional to 2,088,017.94, 2,881,328.18 and 1,228,412.19
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Solution
The fourth proportional to 2,088,017.94, 2,881,328.18 and 1,228,412.19 is: 1,695,128.47
Step by Step Solution
- Step 1: Write the proportion equation
2,088,017.94 : 2,881,328.18 = 1,228,412.19 : x - Step 2: Convert to fraction form
2,088,017.94/2,881,328.18 = 1,228,412.19/x - Step 3: Cross multiply
2,088,017.94x = 2,881,328.18 × 1,228,412.19 - Step 4: Simplify right side
2,088,017.94x = 3,539,458,653,560.45 - Step 5: Solve for x
x = 3,539,458,653,560.45/2,088,017.94 - Step 6: Final answer
x = 1,695,128.47
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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.