Finding the Fourth Proportional to 1,626,724.47, 2,243,570.80 and 1,430,070.48
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Solution
The fourth proportional to 1,626,724.47, 2,243,570.80 and 1,430,070.48 is: 1,972,346.53
Step by Step Solution
- Step 1: Write the proportion equation
1,626,724.47 : 2,243,570.80 = 1,430,070.48 : x - Step 2: Convert to fraction form
1,626,724.47/2,243,570.80 = 1,430,070.48/x - Step 3: Cross multiply
1,626,724.47x = 2,243,570.80 × 1,430,070.48 - Step 4: Simplify right side
1,626,724.47x = 3,208,464,370,869.98 - Step 5: Solve for x
x = 3,208,464,370,869.98/1,626,724.47 - Step 6: Final answer
x = 1,972,346.53
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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.