Home / 4,808,547.18-7,212,645.81-1,442,666.70

Finding the Fourth Proportional to 4,808,547.18, 7,212,645.81 and 1,442,666.70

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Solution

The fourth proportional to 4,808,547.18, 7,212,645.81 and 1,442,666.70 is: 2,163,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808,547.18 : 7,212,645.81 = 1,442,666.70 : x
  2. Step 2: Convert to fraction form
    4,808,547.18/7,212,645.81 = 1,442,666.70/x
  3. Step 3: Cross multiply
    4,808,547.18x = 7,212,645.81 × 1,442,666.70
  4. Step 4: Simplify right side
    4,808,547.18x = 10,405,443,928,981.53
  5. Step 5: Solve for x
    x = 10,405,443,928,981.53/4,808,547.18
  6. Step 6: Final answer
    x = 2,163,947.56

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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.