Finding the Fourth Proportional to 5,352,765, 7,386,823.14 and 2,905,376.58
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Solution
The fourth proportional to 5,352,765, 7,386,823.14 and 2,905,376.58 is: 4,009,423.72
Step by Step Solution
- Step 1: Write the proportion equation
5,352,765 : 7,386,823.14 = 2,905,376.58 : x - Step 2: Convert to fraction form
5,352,765/7,386,823.14 = 2,905,376.58/x - Step 3: Cross multiply
5,352,765x = 7,386,823.14 × 2,905,376.58 - Step 4: Simplify right side
5,352,765x = 21,461,502,951,558.06 - Step 5: Solve for x
x = 21,461,502,951,558.06/5,352,765 - Step 6: Final answer
x = 4,009,423.72
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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.