Finding the Fourth Proportional to 1,937,332.79, 2,673,477.54 and 1,121,570.99
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Solution
The fourth proportional to 1,937,332.79, 2,673,477.54 and 1,121,570.99 is: 1,547,743.82
Step by Step Solution
- Step 1: Write the proportion equation
1,937,332.79 : 2,673,477.54 = 1,121,570.99 : x - Step 2: Convert to fraction form
1,937,332.79/2,673,477.54 = 1,121,570.99/x - Step 3: Cross multiply
1,937,332.79x = 2,673,477.54 × 1,121,570.99 - Step 4: Simplify right side
1,937,332.79x = 2,998,494,851,280.56 - Step 5: Solve for x
x = 2,998,494,851,280.56/1,937,332.79 - Step 6: Final answer
x = 1,547,743.82
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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.