Finding the Fourth Proportional to 1,545,248.70, 2,316,232.80 and 746,009.55
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Solution
The fourth proportional to 1,545,248.70, 2,316,232.80 and 746,009.55 is: 1,118,222.45
Step by Step Solution
- Step 1: Write the proportion equation
1,545,248.70 : 2,316,232.80 = 746,009.55 : x - Step 2: Convert to fraction form
1,545,248.70/2,316,232.80 = 746,009.55/x - Step 3: Cross multiply
1,545,248.70x = 2,316,232.80 × 746,009.55 - Step 4: Simplify right side
1,545,248.70x = 1,727,931,788,823.24 - Step 5: Solve for x
x = 1,727,931,788,823.24/1,545,248.70 - Step 6: Final answer
x = 1,118,222.45
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1.5x scale
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.