Home / 2,075,939.70-3,113,909.55-656,430.90

Finding the Fourth Proportional to 2,075,939.70, 3,113,909.55 and 656,430.90

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Solution

The fourth proportional to 2,075,939.70, 3,113,909.55 and 656,430.90 is: 984,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,939.70 : 3,113,909.55 = 656,430.90 : x
  2. Step 2: Convert to fraction form
    2,075,939.70/3,113,909.55 = 656,430.90/x
  3. Step 3: Cross multiply
    2,075,939.70x = 3,113,909.55 × 656,430.90
  4. Step 4: Simplify right side
    2,075,939.70x = 2,044,066,448,425.10
  5. Step 5: Solve for x
    x = 2,044,066,448,425.10/2,075,939.70
  6. Step 6: Final answer
    x = 984,646.35

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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.