Finding the Fourth Proportional to 5,428,254.60, 7,490,461.14 and 3,136,366.08
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Solution
The fourth proportional to 5,428,254.60, 7,490,461.14 and 3,136,366.08 is: 4,327,878.84
Step by Step Solution
- Step 1: Write the proportion equation
5,428,254.60 : 7,490,461.14 = 3,136,366.08 : x - Step 2: Convert to fraction form
5,428,254.60/7,490,461.14 = 3,136,366.08/x - Step 3: Cross multiply
5,428,254.60x = 7,490,461.14 × 3,136,366.08 - Step 4: Simplify right side
5,428,254.60x = 23,492,828,243,054.13 - Step 5: Solve for x
x = 23,492,828,243,054.13/5,428,254.60 - Step 6: Final answer
x = 4,327,878.84
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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.