Finding the Fourth Proportional to 7,106,931.48, 9,807,565.10 and 3,843,746.44
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Solution
The fourth proportional to 7,106,931.48, 9,807,565.10 and 3,843,746.44 is: 5,304,369.90
Step by Step Solution
- Step 1: Write the proportion equation
7,106,931.48 : 9,807,565.10 = 3,843,746.44 : x - Step 2: Convert to fraction form
7,106,931.48/9,807,565.10 = 3,843,746.44/x - Step 3: Cross multiply
7,106,931.48x = 9,807,565.10 × 3,843,746.44 - Step 4: Simplify right side
7,106,931.48x = 37,697,793,438,193.24 - Step 5: Solve for x
x = 37,697,793,438,193.24/7,106,931.48 - Step 6: Final answer
x = 5,304,369.90
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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.