Home / 4,012,917.40-6,020,105.10-1,316,492.20

Finding the Fourth Proportional to 4,012,917.40, 6,020,105.10 and 1,316,492.20

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Solution

The fourth proportional to 4,012,917.40, 6,020,105.10 and 1,316,492.20 is: 1,974,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012,917.40 : 6,020,105.10 = 1,316,492.20 : x
  2. Step 2: Convert to fraction form
    4,012,917.40/6,020,105.10 = 1,316,492.20/x
  3. Step 3: Cross multiply
    4,012,917.40x = 6,020,105.10 × 1,316,492.20
  4. Step 4: Simplify right side
    4,012,917.40x = 7,925,421,407,330.22
  5. Step 5: Solve for x
    x = 7,925,421,407,330.22/4,012,917.40
  6. Step 6: Final answer
    x = 1,974,977.46

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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.