Home / 1,994,547.40-2,991,744.30-664,851.40

Finding the Fourth Proportional to 1,994,547.40, 2,991,744.30 and 664,851.40

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Solution

The fourth proportional to 1,994,547.40, 2,991,744.30 and 664,851.40 is: 997,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,547.40 : 2,991,744.30 = 664,851.40 : x
  2. Step 2: Convert to fraction form
    1,994,547.40/2,991,744.30 = 664,851.40/x
  3. Step 3: Cross multiply
    1,994,547.40x = 2,991,744.30 × 664,851.40
  4. Step 4: Simplify right side
    1,994,547.40x = 1,989,065,386,297.02
  5. Step 5: Solve for x
    x = 1,989,065,386,297.02/1,994,547.40
  6. Step 6: Final answer
    x = 997,251.50

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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.