Finding the Fourth Proportional to 4,292,681.42, 6,438,995.94 and 1,097,802.20
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Solution
The fourth proportional to 4,292,681.42, 6,438,995.94 and 1,097,802.20 is: 1,646,696.60
Step by Step Solution
- Step 1: Write the proportion equation
4,292,681.42 : 6,438,995.94 = 1,097,802.20 : x - Step 2: Convert to fraction form
4,292,681.42/6,438,995.94 = 1,097,802.20/x - Step 3: Cross multiply
4,292,681.42x = 6,438,995.94 × 1,097,802.20 - Step 4: Simplify right side
4,292,681.42x = 7,068,743,908,723.07 - Step 5: Solve for x
x = 7,068,743,908,723.07/4,292,681.42 - Step 6: Final answer
x = 1,646,696.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.