Home / 3,141,457.02-4,711,921.88-1,247,689.98

Finding the Fourth Proportional to 3,141,457.02, 4,711,921.88 and 1,247,689.98

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Solution

The fourth proportional to 3,141,457.02, 4,711,921.88 and 1,247,689.98 is: 1,871,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,457.02 : 4,711,921.88 = 1,247,689.98 : x
  2. Step 2: Convert to fraction form
    3,141,457.02/4,711,921.88 = 1,247,689.98/x
  3. Step 3: Cross multiply
    3,141,457.02x = 4,711,921.88 × 1,247,689.98
  4. Step 4: Simplify right side
    3,141,457.02x = 5,879,017,709,980.31
  5. Step 5: Solve for x
    x = 5,879,017,709,980.31/3,141,457.02
  6. Step 6: Final answer
    x = 1,871,430.25

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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.