Home / 1,989,643.60-2,984,465.40-1,635,349.60

Finding the Fourth Proportional to 1,989,643.60, 2,984,465.40 and 1,635,349.60

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Solution

The fourth proportional to 1,989,643.60, 2,984,465.40 and 1,635,349.60 is: 2,453,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,643.60 : 2,984,465.40 = 1,635,349.60 : x
  2. Step 2: Convert to fraction form
    1,989,643.60/2,984,465.40 = 1,635,349.60/x
  3. Step 3: Cross multiply
    1,989,643.60x = 2,984,465.40 × 1,635,349.60
  4. Step 4: Simplify right side
    1,989,643.60x = 4,880,644,298,103.84
  5. Step 5: Solve for x
    x = 4,880,644,298,103.84/1,989,643.60
  6. Step 6: Final answer
    x = 2,453,024.40

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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.