Home / 5,140,547.53-7,702,409.44-3,112,649.35

Finding the Fourth Proportional to 5,140,547.53, 7,702,409.44 and 3,112,649.35

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Solution

The fourth proportional to 5,140,547.53, 7,702,409.44 and 3,112,649.35 is: 4,663,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,547.53 : 7,702,409.44 = 3,112,649.35 : x
  2. Step 2: Convert to fraction form
    5,140,547.53/7,702,409.44 = 3,112,649.35/x
  3. Step 3: Cross multiply
    5,140,547.53x = 7,702,409.44 × 3,112,649.35
  4. Step 4: Simplify right side
    5,140,547.53x = 23,974,899,736,849.87
  5. Step 5: Solve for x
    x = 23,974,899,736,849.87/5,140,547.53
  6. Step 6: Final answer
    x = 4,663,880.57

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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.