Home / 2,976,860.64-4,108,797.70-1,688,455.20

Finding the Fourth Proportional to 2,976,860.64, 4,108,797.70 and 1,688,455.20

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Solution

The fourth proportional to 2,976,860.64, 4,108,797.70 and 1,688,455.20 is: 2,330,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,860.64 : 4,108,797.70 = 1,688,455.20 : x
  2. Step 2: Convert to fraction form
    2,976,860.64/4,108,797.70 = 1,688,455.20/x
  3. Step 3: Cross multiply
    2,976,860.64x = 4,108,797.70 × 1,688,455.20
  4. Step 4: Simplify right side
    2,976,860.64x = 6,937,520,842,313.04
  5. Step 5: Solve for x
    x = 6,937,520,842,313.04/2,976,860.64
  6. Step 6: Final answer
    x = 2,330,482.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.