Home / 2,999,310.40-4,499,621.70-977,210.20

Finding the Fourth Proportional to 2,999,310.40, 4,499,621.70 and 977,210.20

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Solution

The fourth proportional to 2,999,310.40, 4,499,621.70 and 977,210.20 is: 1,466,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,310.40 : 4,499,621.70 = 977,210.20 : x
  2. Step 2: Convert to fraction form
    2,999,310.40/4,499,621.70 = 977,210.20/x
  3. Step 3: Cross multiply
    2,999,310.40x = 4,499,621.70 × 977,210.20
  4. Step 4: Simplify right side
    2,999,310.40x = 4,397,076,221,381.34
  5. Step 5: Solve for x
    x = 4,397,076,221,381.34/2,999,310.40
  6. Step 6: Final answer
    x = 1,466,029.07

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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.