Home / 1,547,673.40-2,318,010.90-917,817.40

Finding the Fourth Proportional to 1,547,673.40, 2,318,010.90 and 917,817.40

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Solution

The fourth proportional to 1,547,673.40, 2,318,010.90 and 917,817.40 is: 1,374,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,673.40 : 2,318,010.90 = 917,817.40 : x
  2. Step 2: Convert to fraction form
    1,547,673.40/2,318,010.90 = 917,817.40/x
  3. Step 3: Cross multiply
    1,547,673.40x = 2,318,010.90 × 917,817.40
  4. Step 4: Simplify right side
    1,547,673.40x = 2,127,510,737,409.66
  5. Step 5: Solve for x
    x = 2,127,510,737,409.66/1,547,673.40
  6. Step 6: Final answer
    x = 1,374,650.97

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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.