Home / 6,998,947.28-9,658,547.19-3,779,683.28

Finding the Fourth Proportional to 6,998,947.28, 9,658,547.19 and 3,779,683.28

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Solution

The fourth proportional to 6,998,947.28, 9,658,547.19 and 3,779,683.28 is: 5,215,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998,947.28 : 9,658,547.19 = 3,779,683.28 : x
  2. Step 2: Convert to fraction form
    6,998,947.28/9,658,547.19 = 3,779,683.28/x
  3. Step 3: Cross multiply
    6,998,947.28x = 9,658,547.19 × 3,779,683.28
  4. Step 4: Simplify right side
    6,998,947.28x = 36,506,249,323,133.98
  5. Step 5: Solve for x
    x = 36,506,249,323,133.98/6,998,947.28
  6. Step 6: Final answer
    x = 5,215,962.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.