Home / 1,547,692.80-2,321,539.20-980,822.40

Finding the Fourth Proportional to 1,547,692.80, 2,321,539.20 and 980,822.40

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Solution

The fourth proportional to 1,547,692.80, 2,321,539.20 and 980,822.40 is: 1,471,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,692.80 : 2,321,539.20 = 980,822.40 : x
  2. Step 2: Convert to fraction form
    1,547,692.80/2,321,539.20 = 980,822.40/x
  3. Step 3: Cross multiply
    1,547,692.80x = 2,321,539.20 × 980,822.40
  4. Step 4: Simplify right side
    1,547,692.80x = 2,277,017,649,838.08
  5. Step 5: Solve for x
    x = 2,277,017,649,838.08/1,547,692.80
  6. Step 6: Final answer
    x = 1,471,233.60

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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.