Home / 4,813,931.52-6,643,298.16-2,638,457.28

Finding the Fourth Proportional to 4,813,931.52, 6,643,298.16 and 2,638,457.28

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Solution

The fourth proportional to 4,813,931.52, 6,643,298.16 and 2,638,457.28 is: 3,641,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,931.52 : 6,643,298.16 = 2,638,457.28 : x
  2. Step 2: Convert to fraction form
    4,813,931.52/6,643,298.16 = 2,638,457.28/x
  3. Step 3: Cross multiply
    4,813,931.52x = 6,643,298.16 × 2,638,457.28
  4. Step 4: Simplify right side
    4,813,931.52x = 17,528,058,393,462.60
  5. Step 5: Solve for x
    x = 17,528,058,393,462.60/4,813,931.52
  6. Step 6: Final answer
    x = 3,641,110.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.