Home / 4,383,125.40-6,574,688.10-1,991,640.90

Finding the Fourth Proportional to 4,383,125.40, 6,574,688.10 and 1,991,640.90

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Solution

The fourth proportional to 4,383,125.40, 6,574,688.10 and 1,991,640.90 is: 2,987,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383,125.40 : 6,574,688.10 = 1,991,640.90 : x
  2. Step 2: Convert to fraction form
    4,383,125.40/6,574,688.10 = 1,991,640.90/x
  3. Step 3: Cross multiply
    4,383,125.40x = 6,574,688.10 × 1,991,640.90
  4. Step 4: Simplify right side
    4,383,125.40x = 13,094,417,724,703.29
  5. Step 5: Solve for x
    x = 13,094,417,724,703.29/4,383,125.40
  6. Step 6: Final answer
    x = 2,987,461.35

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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.