Home / 1,697,287.60-2,545,931.40-1,631,969.20

Finding the Fourth Proportional to 1,697,287.60, 2,545,931.40 and 1,631,969.20

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Solution

The fourth proportional to 1,697,287.60, 2,545,931.40 and 1,631,969.20 is: 2,447,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,287.60 : 2,545,931.40 = 1,631,969.20 : x
  2. Step 2: Convert to fraction form
    1,697,287.60/2,545,931.40 = 1,631,969.20/x
  3. Step 3: Cross multiply
    1,697,287.60x = 2,545,931.40 × 1,631,969.20
  4. Step 4: Simplify right side
    1,697,287.60x = 4,154,881,630,112.88
  5. Step 5: Solve for x
    x = 4,154,881,630,112.88/1,697,287.60
  6. Step 6: Final answer
    x = 2,447,953.80

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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.