Finding the Fourth Proportional to 4,518,718.17, 6,779,225.43 and 1,280,252.31
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Solution
The fourth proportional to 4,518,718.17, 6,779,225.43 and 1,280,252.31 is: 1,920,703.77
Step by Step Solution
- Step 1: Write the proportion equation
4,518,718.17 : 6,779,225.43 = 1,280,252.31 : x - Step 2: Convert to fraction form
4,518,718.17/6,779,225.43 = 1,280,252.31/x - Step 3: Cross multiply
4,518,718.17x = 6,779,225.43 × 1,280,252.31 - Step 4: Simplify right side
4,518,718.17x = 8,679,119,016,768.24 - Step 5: Solve for x
x = 8,679,119,016,768.24/4,518,718.17 - Step 6: Final answer
x = 1,920,703.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.