Finding the Fourth Proportional to 4,725,565.25, 6,521,312.85 and 2,688,374.75
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Solution
The fourth proportional to 4,725,565.25, 6,521,312.85 and 2,688,374.75 is: 3,709,975.82
Step by Step Solution
- Step 1: Write the proportion equation
4,725,565.25 : 6,521,312.85 = 2,688,374.75 : x - Step 2: Convert to fraction form
4,725,565.25/6,521,312.85 = 2,688,374.75/x - Step 3: Cross multiply
4,725,565.25x = 6,521,312.85 × 2,688,374.75 - Step 4: Simplify right side
4,725,565.25x = 17,531,732,802,790.54 - Step 5: Solve for x
x = 17,531,732,802,790.54/4,725,565.25 - Step 6: Final answer
x = 3,709,975.82
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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.