Home / 3,090,995.20-4,636,492.80-847,129.60

Finding the Fourth Proportional to 3,090,995.20, 4,636,492.80 and 847,129.60

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Solution

The fourth proportional to 3,090,995.20, 4,636,492.80 and 847,129.60 is: 1,270,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,995.20 : 4,636,492.80 = 847,129.60 : x
  2. Step 2: Convert to fraction form
    3,090,995.20/4,636,492.80 = 847,129.60/x
  3. Step 3: Cross multiply
    3,090,995.20x = 4,636,492.80 × 847,129.60
  4. Step 4: Simplify right side
    3,090,995.20x = 3,927,710,291,066.88
  5. Step 5: Solve for x
    x = 3,927,710,291,066.88/3,090,995.20
  6. Step 6: Final answer
    x = 1,270,694.40

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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.