Finding the Fourth Proportional to 4,119,312.18, 5,684,830.56 and 2,283,653.76
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Solution
The fourth proportional to 4,119,312.18, 5,684,830.56 and 2,283,653.76 is: 3,151,541.84
Step by Step Solution
- Step 1: Write the proportion equation
4,119,312.18 : 5,684,830.56 = 2,283,653.76 : x - Step 2: Convert to fraction form
4,119,312.18/5,684,830.56 = 2,283,653.76/x - Step 3: Cross multiply
4,119,312.18x = 5,684,830.56 × 2,283,653.76 - Step 4: Simplify right side
4,119,312.18x = 12,982,184,683,306.90 - Step 5: Solve for x
x = 12,982,184,683,306.90/4,119,312.18 - Step 6: Final answer
x = 3,151,541.84
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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.