Finding the Fourth Proportional to 2,911,985.84, 4,017,356.76 and 1,932,386.84
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Solution
The fourth proportional to 2,911,985.84, 4,017,356.76 and 1,932,386.84 is: 2,665,908.34
Step by Step Solution
- Step 1: Write the proportion equation
2,911,985.84 : 4,017,356.76 = 1,932,386.84 : x - Step 2: Convert to fraction form
2,911,985.84/4,017,356.76 = 1,932,386.84/x - Step 3: Cross multiply
2,911,985.84x = 4,017,356.76 × 1,932,386.84 - Step 4: Simplify right side
2,911,985.84x = 7,763,087,334,609.04 - Step 5: Solve for x
x = 7,763,087,334,609.04/2,911,985.84 - Step 6: Final answer
x = 2,665,908.34
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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.