Home / 1,920,060.40-2,880,090.60-738,108.40

Finding the Fourth Proportional to 1,920,060.40, 2,880,090.60 and 738,108.40

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Solution

The fourth proportional to 1,920,060.40, 2,880,090.60 and 738,108.40 is: 1,107,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,060.40 : 2,880,090.60 = 738,108.40 : x
  2. Step 2: Convert to fraction form
    1,920,060.40/2,880,090.60 = 738,108.40/x
  3. Step 3: Cross multiply
    1,920,060.40x = 2,880,090.60 × 738,108.40
  4. Step 4: Simplify right side
    1,920,060.40x = 2,125,819,064,621.04
  5. Step 5: Solve for x
    x = 2,125,819,064,621.04/1,920,060.40
  6. Step 6: Final answer
    x = 1,107,162.60

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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.