Finding the Fourth Proportional to 2,812,703.40, 3,881,252.70 and 1,572,081.48
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Solution
The fourth proportional to 2,812,703.40, 3,881,252.70 and 1,572,081.48 is: 2,169,317.07
Step by Step Solution
- Step 1: Write the proportion equation
2,812,703.40 : 3,881,252.70 = 1,572,081.48 : x - Step 2: Convert to fraction form
2,812,703.40/3,881,252.70 = 1,572,081.48/x - Step 3: Cross multiply
2,812,703.40x = 3,881,252.70 × 1,572,081.48 - Step 4: Simplify right side
2,812,703.40x = 6,101,645,488,870.00 - Step 5: Solve for x
x = 6,101,645,488,870.00/2,812,703.40 - Step 6: Final answer
x = 2,169,317.07
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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.