Finding the Fourth Proportional to 4,927,225.60, 7,390,838.40 and 2,911,686.40
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Solution
The fourth proportional to 4,927,225.60, 7,390,838.40 and 2,911,686.40 is: 4,367,529.60
Step by Step Solution
- Step 1: Write the proportion equation
4,927,225.60 : 7,390,838.40 = 2,911,686.40 : x - Step 2: Convert to fraction form
4,927,225.60/7,390,838.40 = 2,911,686.40/x - Step 3: Cross multiply
4,927,225.60x = 7,390,838.40 × 2,911,686.40 - Step 4: Simplify right side
4,927,225.60x = 21,519,803,653,877.76 - Step 5: Solve for x
x = 21,519,803,653,877.76/4,927,225.60 - Step 6: Final answer
x = 4,367,529.60
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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.